Table 1. Baseline Characteristics According to Quartiles of the Organic Food Score, NutriNet-Santé Cohort, France, 2009 to 2016.
| Characteristic | Q1 | Q2 | Q3 | Q4 | P Valuea |
|---|---|---|---|---|---|
| Organic food score, mean (SD), range, 0-32 points | 0.72 (0.82) | 4.95 (1.41) | 10.36 (1.69) | 19.36 (4.28) | <.001 |
| Participants, No. | 16 831 | 17 644 | 17 240 | 17 231 | NA |
| Age, mean (SD), y | 42.99 (15.24) | 43.31 (14.78) | 44.72 (14.30) | 45.89 (13.37) | <.001 |
| Female, % | 74.2 | 78.2 | 78.7 | 80.9 | <.001 |
| Month of inclusion, mean (SD)b | 6.08 (2.56) | 6.11 (2.57) | 6.10 (2.74) | 5.99 (2.93) | .002 |
| Occupational status, % | |||||
| Unemployed | 5.9 | 5.7 | 5.6 | 6.3 | <.001 |
| Student | 9.5 | 9.3 | 7.3 | 4.6 | |
| Self-employed, farmer | 1.6 | 1.7 | 1.7 | 2.5 | |
| Employee, manual worker | 24.4 | 20.6 | 17.4 | 14.9 | |
| Intermediate professions | 16.3 | 17.6 | 17.8 | 18.8 | |
| Managerial staff, intellectual profession | 17.8 | 21.6 | 25.9 | 29.1 | |
| Retired | 19.0 | 17.9 | 18.9 | 17.8 | |
| Never employed | 5.5 | 5.6 | 5.4 | 6.1 | |
| Educational level, % | |||||
| Unidentified | 0.6 | 0.7 | 0.5 | 0.8 | <.001 |
| <High school diploma | 22.8 | 19.4 | 16.4 | 14.4 | |
| High school diploma | 19.7 | 17.4 | 15.7 | 13.7 | |
| Postsecondary graduate | 56.9 | 62.6 | 67.4 | 71.1 | |
| Marital status, % | |||||
| Cohabiting | 79.6 | 80.6 | 81.8 | 85.3 | <.001 |
| Monthly income per household unit, €, %c | |||||
| <1200 | 20.7 | 17.0 | 14.0 | 13.2 | <.001 |
| 1200 to 1800 | 26.9 | 25.3 | 22.9 | 23.5 | |
| >1800 to 2700 | 21.2 | 23.3 | 24.7 | 25.6 | |
| >2700 | 18.8 | 22.4 | 27.6 | 28.2 | |
| Unwilling to answer | 12.4 | 12.0 | 10.8 | 9.5 | |
| Physical activity, %d | |||||
| Low, <30 min of brisk walking per day or equivalent | 24.0 | 20.8 | 19.0 | 17.2 | .03 |
| Moderate, 30 to <60 min of brisk walking per day or equivalent | 33.7 | 37.3 | 38.8 | 40.6 | |
| High, ≥60 min of brisk walking per day or equivalent | 26.8 | 27.3 | 29.5 | 31.3 | |
| Missing data | 15.5 | 14.5 | 12.7 | 11.0 | |
| Smoking status, % | |||||
| Never smoker | 52.0 | 51.9 | 50.2 | 49.4 | <.001 |
| Former smoker | 31.6 | 31.9 | 34.5 | 36.8 | |
| Current smoker | 16.4 | 16.2 | 15.3 | 13.8 | |
| Alcohol intake, mean (SD), g/d | 8.34 (13.84) | 8.18 (13.11) | 8.17 (12.19) | 7.54 (11.30) | |
| Family history of cancer, % | 33.8 | 34.5 | 36.8 | 38.6 | <.001 |
| BMI, mean (SD) | 24.46 (4.92) | 23.92 (4.63) | 23.64 (4.32) | 22.92 (3.89) | <.001 |
| Height, mean (SD), cm | 166.91 (8.27) | 166.58 (8.05) | 166.54 (8.11) | 166.40 (7.98) | <.001 |
| Energy intake, mean (SD), kcal/de | 1881.71 (493.19) | 1855.10 (469.03) | 1848.42 (474.71) | 1841.24 (464.11) | <.001 |
| mPNNS-GS, mean (SD) | 7.41 (1.72) | 7.70 (1.71) | 7.95 (1.71) | 8.19 (1.69) | <.001 |
| Fiber intake, mean (SD), g/d | 17.88 (6.55) | 18.87 (6.84) | 20.05 (7.20) | 22.60 (8.31) | <.001 |
| Processed meat intake, mean (SD), g/d | 23.67 (29.40) | 21.15 (27.12) | 18.85 (24.92) | 15.12 (22.49) | <.001 |
| Red meat intake, mean (SD), g/d | 48.72 (44.51) | 44.59 (41.44) | 40.77 (40.67) | 31.44 (36.81) | <.001 |
| Parity, mean (SD)f | 1.26 (1.26) | 1.27 (1.23) | 1.34 (1.23) | 1.41 (1.21) | <.001 |
| Postmenopausal status, %f | 16.6 | 19.3 | 22.4 | 24.7 | <.001 |
| Use of hormonal treatment for menopause, %f | 4.0 | 4.6 | 5.0 | 4.9 | .01 |
| Use of oral contraception, %f | 24.7 | 23.2 | 19.1 | 14.0 | <.001 |
Abbreviations: BMI, body mass index (calculated as weight in kilograms divided by height in meters squared); mPNNS-GS, Programme National Nutrition Santé Guideline Score without the physical activity component; NA, not applicable; Q, quartile.
P value based on linear trend for continuous variables or Mantel-Haenszel χ2 test for categorical variables.
This category indicates the month of the year during which the particpant was included.
In 2018 US dollars, the monetary ranges are “less than $1377.46,” “$1377.46 to $2066.18,” “greater than $2066.18 to $3099.28,” and “greater than $3099.28.”
Physical activity levels assessed using the French short form of the International Physical Activity Questionnaire self-administered online.
Energy intake without alcohol.
For women.