Table 1.
Sociodemographic and lifestyle characteristics of the weighted sample, NutriNet-Santé Study, N = 28,245.
| Women | Men | p * | |||
|---|---|---|---|---|---|
| Mean or % | SD | Mean or % | SD | ||
| N—not weighted % | 20,980 (74.28) | 7265 (25.72) | |||
| N—weighted % | 14,788.40 (47.64) | 13,456.60 (52.36) | |||
| Age (years) | 48.65 | 13.88 | 47.39 | 21.92 | <0.0001 |
| Educational level | <0.0001 | ||||
| <High school diploma | 58.39 | 61.25 | |||
| High school | 16.07 | 14.56 | |||
| Post-secondary graduate | 25.54 | 24.19 | |||
| Income per household unit † | <0.0001 | ||||
| <1.200 euros | 24.68 | 23.85 | |||
| 1.200–1800 euros | 25.50 | 24.17 | |||
| 1.800–2.700 euros | 22.04 | 24.72 | |||
| >2700 euros | 10.66 | 15.83 | |||
| Missing | 17.12 | 11.43 | |||
| Socio-professional categories | <0.0001 | ||||
| Farmer | 0.55 | 1.53 | |||
| Craftsman, shopkeeper, business owner | 1.87 | 5.14 | |||
| Non employed | 7.74 | 1.32 | |||
| Employee | 25.31 | 8.41 | |||
| Student | 4.60 | 4.40 | |||
| Manual worker | 5.22 | 23.49 | |||
| Intermediate profession | 14.47 | 14.53 | |||
| Retired | 28.61 | 26.12 | |||
| Managerial staff | 4.89 | 3.37 | |||
| Location | <0.0001 | ||||
| Rural community | 24.60 | 26.23 | |||
| Urban unit with a population smaller than 20,000 inhabitants | 15.32 | 15.13 | |||
| Urban unit with a population between 20,000 and 200,000 inhabitants | 16.22 | 16.85 | |||
| Urban unit with a population higher than 200,000 inhabitants | 43.86 | 41.79 | |||
| Smoking status | <0.0001 | ||||
| Never smoker | 52.66 | 41.56 | |||
| Former smoker | 33.78 | 42.94 | |||
| Current smoker | 13.56 | 15.50 | |||
| Physical activity | <0.0001 | ||||
| High | 20.92 | 16.83 | |||
| Medium | 34.02 | 29.20 | |||
| Low | 31.58 | 37.87 | |||
| Missing | 13.48 | 16.10 | |||
| Vegetarian diet | 2.88 | 1.53 | <0.0001 | ||
| Vegan diet | 3.25 | 2.93 | 0.12 | ||
| Location | <0.0001 | ||||
| Rural community | 24.60 | 26.23 | |||
| Urban unit with a population smaller than 20,000 inhabitants | 15.32 | 15.13 | |||
| Urban unit with a population between 20,000 and 200,000 inhabitants | 16.22 | 16.85 | |||
| Urban unit with a population higher than 200,000 inhabitants | 43.86 | 41.79 | |||
* p-values based on Student t-test or Chi squared for difference between genders as appropriate; † By consumption unit in the household: official weighting system by the French National Institute of Statistics and Economic Studies INSEE; SD, standard deviation.