Variables

4291 variables.
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Module Label Name Description Type
ECG 10s (CHRIS baseline) x0ec110b Q-Amplitude, II Voltage amplitude of the peak of Q wave, expressed in milliVolts, measured in lead II Float
ECG 10s (CHRIS baseline) x0ec110c Q-Amplitude, III Voltage amplitude of the peak of Q wave, expressed in milliVolts, measured in lead III Float
ECG 10s (CHRIS baseline) x0ec121i R-Amplitude, V3 Voltage amplitude of the peak of R wave, expressed in milliVolts, measured in lead V3 Float
ECG 10s (CHRIS baseline) x0ec123h R'-Amplitude, V2 Voltage amplitude of the peak of R wave in the first derivative of ECG, expressed in milliVolts, measured in lead V2 Float
ECG 10s (CHRIS baseline) x0ec123l R'-Amplitude, V6 Voltage amplitude of the peak of R wave in the first derivative of ECG, expressed in milliVolts, measured in lead V6 Float
ECG 10s (CHRIS baseline) x0ec126d S-Amplitude, aVR Voltage amplitude of the peak of S wave, expressed in milliVolts, measured in lead aVR Float
ECG 10s (CHRIS baseline) x0ec128i S'-Amplitude, V3 Voltage amplitude of the peak of S wave in the first derivative of ECG, expressed in milliVolts, measured in lead V3 Float
ECG 10s (CHRIS baseline) x0ec129j ST Value, V4 ST segment deviation from the isoelectric line, defined as the difference between the voltage value at the beginning of T wave and the end of S wave (J point) expressed in milliVolts, measured in lead V4 Float
ECG 10s (CHRIS baseline) x0ec131h J-Value, V2 J point voltage value, expressed in milliVolts, measured in lead V2 Float
ECG 10s (CHRIS baseline) x0ec143b Noise, II Noise level estimation, when QTc is computed with Fridericia formula, expressed in microVolts, measured in lead II Float
ECG 10s (CHRIS baseline) x0ec143c Noise, III Noise level estimation, when QTc is computed with Fridericia formula, expressed in microVolts, measured in lead III Float
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec17 Standard deviation (longitudinal or diagonally of the angle bisector) in Poincaré plot Standard deviation (longitudinal or diagonally of the angle bisector) in Poincaré plot Float
Flavonoid intake (CHRIS baseline) x0fl001 Total daily Total flavonoids Total daily Total flavonoids Float
Flavonoid intake (CHRIS baseline) x0fl019 Total daily (+)-Gallocatechin Total daily (+)-Gallocatechin Float
Flavonoid intake (CHRIS baseline) x0fl031 Total daily Theaflavin-3-gallate Total daily Theaflavin-3-gallate Float
Nutrient intake (CHRIS baseline) x0nu004 Total daily Fat Total daily Fat (g) Float
Nutrient intake (CHRIS baseline) x0nu014 Total daily Maltose Total daily Maltose (g) Float
Nutrient intake (CHRIS baseline) x0nu015 Total daily Lactose Total daily Lactose (g) Float
Nutrient intake (CHRIS baseline) x0nu022a Total daily cis-Mono FA /100g FA Total daily cis-Mono FA /100g FA (g) Float
Nutrient intake (CHRIS baseline) x0nu028b Total daily Trans FAs /100g food Total daily Trans FAs /100g food (g) Float
Nutrient intake (CHRIS baseline) x0nu039 Total daily Manganese Total daily Manganese (mg) Float
Nutrient intake (CHRIS baseline) x0nu042 Total daily Retinol Total daily Retinol (µg) Float
Nutrient intake (CHRIS baseline) x0nu052 Total daily Niacin equivalent Total daily Niacin equivalent (mg) Float
Nutrient intake (CHRIS baseline) x0nu065 Total daily C12:0 ex Br /100g food Total daily C12:0 ex Br /100g food (g) Float
Nutrient intake (CHRIS baseline) x0nu075 Total daily C17:0 ex Br /100g food Total daily C17:0 ex Br /100g food (g) Float
Nutrient intake (CHRIS baseline) x0nu084 Total daily C24:0 ex Br /100g food Total daily C24:0 ex Br /100g food (g) Float
Nutrient intake (CHRIS baseline) x0nu097 Total daily cis C17:1 /100g food Total daily cis C17:1 /100g food (g) Float
Nutrient intake (CHRIS baseline) x0nu109 Total daily cis C24:1 /100g food Total daily cis C24:1 /100g food (g) Float
Nutrient intake (CHRIS baseline) x0nu114 Total daily C16:4 /100g food Total daily C16:4 /100g food (g) Float
Nutrient intake (CHRIS baseline) x0nu126 Total daily cis n-6 C20:2 /100g food Total daily cis n-6 C20:2 /100g food (g) Float
Nutrient intake (CHRIS baseline) x0nu138 Total daily cis n-6 C22:3 /100g food Total daily cis n-6 C22:3 /100g food (g) Float
Nutrient intake (CHRIS baseline) x0nu143 Total daily C22:6 /100g food Total daily C22:6 /100g food (g) Float
Nutrient intake (CHRIS baseline) x0nu144 Total daily cis n-3 C22:6 /100g food Total daily cis n-3 C22:6 /100g food (g) Float
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec03 Standard Deviation of normal-to-normal intervals (SDNN) Standard Deviation of normal-to-normal intervals (SDNN) Float
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec07 Percentage of interval differences of successive NN intervals greater than 50 ms (pNN50) Percentage of interval differences of successive NN intervals greater than 50 ms (pNN50) Float
Flavonoid intake (CHRIS baseline) x0fl014 Total daily Malvidin Total daily Malvidin Float
Flavonoid intake (CHRIS baseline) x0fl018 Total daily (+)-Catechin Total daily (+)-Catechin Float
Smoking (CHRIS baseline) x0sm35 Smoking: Cigarettes (current) How much do you now smoke on average? No. of Cigarettes/day (current) Float
Smoking (CHRIS baseline) x0sm60 Cumulative pack-years (past) Cumulative pack-years (past) Float
Smoking (CHRIS baseline) x0sm61 Tobacco (current, all tobacco sources) Total smoking grams/day (current, all tobacco sources) Float
Gynecology (CHRIS baseline) x0wo04b Use of contraceptive pills How many months or years have you taken contraceptives? Float
Iron metabolism (CHRIS baseline) x0he03 Hepcidin-25 Hepcidin-25 Float
Iron metabolism (CHRIS baseline) x0he08a Soluble transferrin receptor concentration, high stringency filter Soluble transferrin receptor concentration with application of a high stringency filter Float
Targeted serum metabolomics (CHRIS baseline) x0pt003 alpha-AAA alpha-Aminoadipic acid Float
Targeted serum metabolomics (CHRIS baseline) x0pt010 Gln Glutamine Float
Targeted serum metabolomics (CHRIS baseline) x0pt020 Met-SO Methioninesulfoxide Float
Targeted serum metabolomics (CHRIS baseline) x0pt032 Taurine Taurine Float
Targeted serum metabolomics (CHRIS baseline) x0pt042 C12-DC Dodecanedioylcarnitine Float
Targeted serum metabolomics (CHRIS baseline) x0pt043 C12:1 Dodecenoylcarnitine Float
Targeted serum metabolomics (CHRIS baseline) x0pt048 C14:2-OH Hydroxytetradecadienylcarnitine Float
Targeted serum metabolomics (CHRIS baseline) x0pt061 C5 Valerylcarnitine Float
Targeted serum metabolomics (CHRIS baseline) x0pt072 lysoPC a C14:0 lysoPhosphatidylcholine acyl C14:0 Float
Targeted serum metabolomics (CHRIS baseline) x0pt080 lysoPC a C20:4 lysoPhosphatidylcholine acyl C20:4 Float
Targeted serum metabolomics (CHRIS baseline) x0pt088 PC aa C28:1 Phosphatidylcholine diacyl C28:1 Float
Targeted serum metabolomics (CHRIS baseline) x0pt100 PC aa C36:1 Phosphatidylcholine diacyl C36:1 Float
Targeted serum metabolomics (CHRIS baseline) x0pt112 PC aa C40:1 Phosphatidylcholine diacyl C40:1 Float
Targeted serum metabolomics (CHRIS baseline) x0pt115 PC aa C40:4 Phosphatidylcholine diacyl C40:4 Float
Targeted serum metabolomics (CHRIS baseline) x0pt125 PC ae C30:1 Phosphatidylcholine acyl-alkyl C30:1 Float
Targeted serum metabolomics (CHRIS baseline) x0pt137 PC ae C36:4 Phosphatidylcholine acyl-alkyl C36:4 Float
Targeted serum metabolomics (CHRIS baseline) x0pt149 PC ae C40:4 Phosphatidylcholine acyl-alkyl C40:4 Float
Targeted serum metabolomics (CHRIS baseline) x0pt150 PC ae C40:5 Phosphatidylcholine acyl-alkyl C40:5 Float
Targeted serum metabolomics (CHRIS baseline) x0pt169 SM C18:0 Sphingomyeline C18:0 Float
Heart rate variability (CHRIS baseline) x0ec240 logVLF power (Welch) Natural logarithm transformed values of VLF band, with PSD estimated using Fast Fourier transformation (FFT) based Welch's periodogram method Float
Heart rate variability (CHRIS baseline) x0ec257 logVLF power (AR) Natural logarithm transformed values of VLF band, with PSD estimated using parametric autoregressive (AR) modeling method Float
Heart rate variability (CHRIS baseline) x0ec263 HF power (%) (AR) Relative power of HF band, with PSD estimated using parametric autoregressive (AR) modeling method, expressed in ms^2 Float
Heart rate variability (CHRIS baseline) x0ec274 Correlation Dimension D2 Correlation Dimension D2: it is a method for measuring the complexity or strangeness of the RR series. This index is expected to give information on the minimum number of dynamic variables needed to model the underlying system Float
Heart rate variability (CHRIS baseline) x0ec283j MSE (t=10) MSE (t=10): Multi Scale Entropy, extension of SampEn to multiple time scales, here calculated for time scale factor equal to 10 Float
ECG 10s (CHRIS baseline) x0ec105a P-Amplitude positive, I Peak amplitude of the positive deflection of P wave, expressed in milliVolts, measured in lead I Float
ECG 10s (CHRIS baseline) x0ec129e ST Value, aVL ST segment deviation from the isoelectric line, defined as the difference between the voltage value at the beginning of T wave and the end of S wave (J point) expressed in milliVolts, measured in lead aVL Float
ECG 10s (CHRIS baseline) x0ec129f ST Value, aVF ST segment deviation from the isoelectric line, defined as the difference between the voltage value at the beginning of T wave and the end of S wave (J point) expressed in milliVolts, measured in lead aVF Float
Heart rate variability (CHRIS baseline) x0ec226 SI (Stress Index) SI: Baevsky stress index, computed according to the formula given in Baevsky 2009, is a geometric measure of HRV reflecting cardiovascular system stress Float
Heart rate variability (CHRIS baseline) x0ec233 VLF peak (Welch) Very Low Frequency (VLF) band peak frequency, with PSD estimated using Fast Fourier transformation (FFT) based Welch's periodogram method, expressed in Hz Float
Flavonoid intake (CHRIS baseline) x0fl020 Total daily (-)-Epicatechin Total daily (-)-Epicatechin Float
Nutrient intake (CHRIS baseline) x0nu019b Total daily Satd FA /100g food Total daily Satd FA /100g food (g) Float
Nutrient intake (CHRIS baseline) x0nu076 Total daily C18:0 /100g food Total daily C18:0 /100g food (g) Float
Heart rate variability (CHRIS baseline) x0ec247 LF power (n.u.) (Welch) Power of LF band in normalised units, LF [n.u.] = LF [ms2] / (total power [ms2] - VLF [ms2]) x 100%, with PSD estimated using Fast Fourier transformation (FFT) based Welch's periodogram method, expressed in n.u Float
Heart rate variability (CHRIS baseline) x0ec281 RPA Lmean RPA Lmean: Recurrence Plot Analysis is another approach for analyzing the complexity of the RR series, which consists in creating a symmetrical matrix of zeros and ones. Lmean is the average diagonal line length Float
Sleep quality (CHRIS baseline) x0sq04a 4. During the past month, how many hours of actual sleep did you get at night? During the past month, how many hours of actual sleep did you get at night? (This may be different than the number of hours you spent in bed.) Float
Urine measurements (CHRIS baseline) x0lp56 Hemoglobin, urine Hemoglobin, urine Float
Heart rate variability (CHRIS baseline) x0ec230 DC DC: Deceleration Capacity is a measure of cardiac parasympathetic modulation as it captures the lengthening of RR interval within 2-4 successive beats. It is computed as a four point difference from the deceleration PRSA signal (phase-rectified signal averaging), expressed in milliseconds Float
Targeted serum metabolomics (CHRIS baseline) x0pt152 PC ae C42:0 Phosphatidylcholine acyl-alkyl C42:0 Float
Targeted serum metabolomics (CHRIS baseline) x0pt153 PC ae C42:1 Phosphatidylcholine acyl-alkyl C42:1 Float
Targeted serum metabolomics (CHRIS baseline) x0pt154 PC ae C42:2 Phosphatidylcholine acyl-alkyl C42:2 Float
Targeted serum metabolomics (CHRIS baseline) x0pt155 PC ae C42:3 Phosphatidylcholine acyl-alkyl C42:3 Float
Targeted serum metabolomics (CHRIS baseline) x0pt156 PC ae C42:4 Phosphatidylcholine acyl-alkyl C42:4 Float
Targeted serum metabolomics (CHRIS baseline) x0pt157 PC ae C42:5 Phosphatidylcholine acyl-alkyl C42:5 Float
Targeted serum metabolomics (CHRIS baseline) x0pt158 PC ae C44:3 Phosphatidylcholine acyl-alkyl C44:3 Float
Targeted serum metabolomics (CHRIS baseline) x0pt159 PC ae C44:4 Phosphatidylcholine acyl-alkyl C44:4 Float
Targeted serum metabolomics (CHRIS baseline) x0pt160 PC ae C44:5 Phosphatidylcholine acyl-alkyl C44:5 Float
Targeted serum metabolomics (CHRIS baseline) x0pt161 PC ae C44:6 Phosphatidylcholine acyl-alkyl C44:6 Float
Chronic diseases (CHRIS baseline) x0cd01b Liver disease (age at diagnosis) In which year was it diagnosed for the first time? (age at diagnosis) Integer
Alcohol (CHRIS baseline) x0al06b Start drinking regularly When did you start drinking regularly alcohol? Integer
Alcohol (CHRIS baseline) x0al03a Alcohol consumption (weekend): Alcohol-free beer During the last 12 months, how many of the following beverages have you usually drunk on a weekend (Friday, Saturday, Sunday)? Alcohol-free beer (No. of glasses a 0.2 I) Integer
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec59 Ventricular runs No. of ventricular runs Integer
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec46 Supraventricular runs No. of supraventricular runs Integer
ECG 10s (CHRIS baseline) x0ec153e QTc (Baz) Time, aVL Duration of QT interval adjusted for the heart-rate with Bazett formula, expressed in milliseconds, measured in lead aVL Integer
ECG 10s (CHRIS baseline) x0ec151a QTc (Frid) Dispersion QTc dispersion is defined as the difference between the longest and the shortest QTc duration (with Fridericia formula) measured in the 12 ECG leads, expressed in milliseconds Integer
Neurological phenotypes (CHRIS baseline) x0nd0008a Multisite Chronic Pain by number of body sites Multisite Chronic Pain by number of body sites Integer
ECG 10s (CHRIS baseline) x0ec153h QTc (Baz) Time, V2 Duration of QT interval adjusted for the heart-rate with Bazett formula, expressed in milliseconds, measured in lead V2 Integer
ECG 10s (CHRIS baseline) x0ec153f QTc (Baz) Time, aVF Duration of QT interval adjusted for the heart-rate with Bazett formula, expressed in milliseconds, measured in lead aVF Integer