Table 1.
General characteristics of Rotterdam Study (n =439) cohort1.
| Characteristics | All |
|---|---|
| General Characteristics | |
| Age (yrs)2 | 55.9 (5.4) [45.7-79.6] |
| Sex (% female) | 59.2 |
| BMI (kg/m2) 2 | 27.5 (3.9) [18.2-41.3] |
| Smoking Status | |
| Never, n (%) | 95 (21.6) |
| Former, n (%) | 203 (46.2) |
| Current, n (%) | 141 (32.1) |
| Education Status | |
| Low, n (%) | 45 (10.3) |
| Intermediate, n (%) | 285 (64.9) |
| High, n (%) | 104 (23.9) |
| Missing, n (%) | 6 (1.4) |
| Depressive Symptoms (CES-D score) | 5.0 (6.2) |
| Leisure time physical activity, MET-hours | 57.7 (46.1) |
| Probable Sleep Apnea, n (%) | 101 (23) |
| Type 2 Diabetes, n (%) | 37 (8.4) |
| Dietary Intake | |
| Energy (kcal/day) | 2239 (636) |
| Carbohydrate (g/d) | 254.0 (78.9) |
| Simple Carbohydrate (g/d) | 124.1 (50.3) |
| Complex Carbohydrate (g/d) | 130.0 (43.6) |
| Fat (g/d) | 79.9 (29.6) |
| Protein (g/d) | 83.5 (24.9) |
| Alcohol (drinks per week) | 5.9 (6.8) |
| Coffee (drinks per week) | 7.0 (5.8) |
| Multivitamin/Multimineral Supplements, n (%) | 108 (24.6) |
| Actigraphic Sleep Parameters | |
| Sleep Duration, h | 6.4 (0.8) |
| < 5.5 h, n (%) | 60 (13.7) |
| ≥ 5.5 to < 6.5 h, n (%) | 178 (40.5) |
| ≥ 6.5 to < 7.5 h, n (%) | 175 (39.9) |
| ≥ 7.5 h, n (%) | 26 (5.9) |
| Fragmentation Index | 6.1 (2.1) |
| Sleep Efficiency, % | 79.9 (6.1) |
| Self-reported (subjective) Sleep Parameters | |
| Sleep Duration, h | 6.9 (0.8) |
| < 6 h, n (%) | 51 (11.6) |
| ≥ 6 to < 7 h, n (%) | 157 (35.8) |
| ≥ 7 to < 8 h, n (%) | 195 (44.4) |
| ≥ 8 h, n (%) | 36 (8.2) |
| Global PSQI score | 3.3 (3.0) |
| Napping before 1800 hours, n (%) | 128 (29.2) |
1
Values expressed as mean (standard deviation), unless stated otherwise. Abbreviations: BMI, body mass index; CES-D, Center for Epidemiologic Studies Depression; d, day; h, hours; n, number of observations; PSQI, Pittsburgh Sleep Quality Index.
2
Range also presented.