Table 1.
Baseline descriptive characteristics of the study population
| N (%) | ADHD score | |||
|---|---|---|---|---|
| Mean (SD) | Difference | |||
| Total | 10,394 | 4.60 (4.68) | t test = 2.00, p = 0.046 | |
| Male | 3985 (38.34) | 4.72 (4.75) | ||
| Female | 6409 (61.66) | 4.53 (4.65) | ||
| With incident CVD | 1313 (12.63) | 4.94 (5.26) | t test = − 2.78, p = 0.005 | |
| Without incident CVD | 9081 (87.37) | 4.55 (4.59) | ||
| With incident metabolic disorder | 728 (7.00) | 5.25 (5.21) | t test = − 3.86, p < 0.001 | |
| Without incident metabolic disorder | 9666 (93.00) | 4.55 (4.64) | ||
| Educational attainment N = 9507, male = 3706, female = 5801 | Compulsory | 434 (4.57) | 6.10 (5.86) | F value = 56.09, p < 0.001 |
| Secondary | 4062 (42.73) | 4.88 (4.83) | ||
| Higher | 5011 (52.71) | 4.13 (4.28) | ||
|
Smoking N = 9609, male = 3491, female = 6118 |
Never/just tried | 5758 (59.92) | 4.14 (4.33) | F value = 74.31, p < 0.001 |
| Occasionally | 1763 (18.35) | 4.89 (4.80) | ||
| Regularly | 2088 (21.73) | 5.54 (5.30) | ||
|
Body mass index N = 10,227, male = 3962, female = 6265 |
Underweight | 283 (2.77) | 4.25 (4.34) | F value = 9.87, p < 0.001 |
| Normal weight | 7198 (70.38) | 4.47 (4.58) | ||
| Overweight | 2230 (21.81) | 4.85 (4.88) | ||
| Obese | 516 (5.05) | 5.44 (5.23) | ||
|
Physical activity N = 10,343, male = 3968, female = 6375 |
Sedentary/low | 188 (18.17) | 5.29 (5.15) | F value = 14.26, p < 0.001 |
| Moderate | 2682 (25.93) | 4.52 (4.59) | ||
| High | 3523 (34.06) | 4.37 (4.62) | ||
| Vigorous | 2252 (21.77) | 4.44 (4.40) | ||
|
Major depression N = 10,322, male = 3962 female = 6360 |
With | 1071 (10.38) | 6.77 (5.84) | t test = − 16.29, p < 0.001 |
| Without | 9251 (89.62) | 4.34 (4.45) | ||
|
Generalized anxiety disorder N = 10,223, male = 3931, female = 6292 |
With | 537 (5.25) | 8.30 (6.44) | t test = − 19.41, p < 0.001 |
| Without | 9686 (94.75) | 4.36 (4.45) | ||
|
Alcohol dependence, N = 10,157, male = 3911, female = 6246 |
With | 808 (7.96) | 7.24 (5.83) | t test = − 16.82, p < 0.001 |
| Without | 9349 (92.04) | 4.38 (4.51) | ||