Table 1

Demographics, socioeconomic status and lifestyle of the study population

COVID-19 status
Self-reported (n=4711)Tested (2883)Diagnosed (123)Total response (n=49 474)
Sex, male%37.430.430.140.3
Age, mean±SD42±1144±1244±946±12
Ethnicity, white%89.492.894.392.0
BMI, mean±SD25.9±4.325.7±4.325.7±3.826.0±4.2
 Underweight,%0.71.00.80.7
 Normal,%46.748.047.244.9
 Overweight,%37.236.640.740.0
 Obese,%15.414.511.414.5
Education,%
 Low18.016.414.623.5
 Middle40.837.448.039.2
 High41.246.237.437.3
Income, %
 Low30.128.323.628.1
 Middle29.530.733.333.7
 High40.441.043.138.2
Smoking, %
 Current20.515.115.516.9
 Former33.036.140.736.3
 Never46.548.943.946.8
TV watching time ≥4 hours/day,%15.215.118.716.7
Sleep time <7 or>9 hours/day, %16.314.413.814.9
MVPA <150 min/week,%38.837.529.337.9
LLDS24.3±6.125.1±6.025.4±5.924.7±6.0
Alcohol, g/day4.9 (1.3–11.0)3.9 (0.9–10.0)3.5 (0.9–9.0)4.9 (1.2–11.1)
Heavy drinker, %3.12.82.42.6
  • BMI, body mass index; LLDS, lifelines diet score; MVPA, non-occupational moderate-to-vigorous physical activity; SD, standard deviation.