Table 1 Participants’ characteristics across the data time-points
Variables | Baseline | 5-year Follow-up | 12-year Follow-up | |||
|---|---|---|---|---|---|---|
| Â | N | Mean (SD) or % | Nb | Mean (SD) or % | Nb | Mean (SD) or % |
Time metric | ||||||
 Age, years | 4099 | 49.42 (7.99) | 3693 | 54.58 (8.02) | 3085 | 60.96 (7.86) |
Outcome | ||||||
 SF36 bodily pain score | 4099 | 75.51 (21.75) | 3694 | 74.49 (22.36) | 3124 | 72.91 (22.08) |
Exposure variable | ||||||
 TV time, hrs/day | 4099 | 1.69 (1.24) | 3674 | 1.86 (1.29) | 3010 | 1.92 (1.32) |
Moderator: T2D Status | ||||||
 NGM | 3185 | 77.7% | 2952 | 78.6% | 2634 | 72.4% |
 Prediabetes | 691 | 16.9% | 454 | 12.1% | 522 | 14.4% |
 New T2D | 122 | 3.0% | 80 | 2.1% | 62 | 1.7% |
 Known T2D | 101 | 2.5% | 272 | 7.2% | 418 | 11.5% |
Covariates | ||||||
Sexa | ||||||
 Female | 2227 | 54.3% | 2007 | 54.4% | 1709 | 54.7% |
 Male | 1872 | 45.7% | 1685 | 45.6% | 1415 | 45.3% |
Waist circumference, cm | 4099 | 90.22 (13.77) | 3689 | 92.47 (13.97) | 3082 | 95.13 (14.24) |
MVPA, min/week | 4099 | 282.27 (334.06) | 3673 | 299.93 (325.50) | 3477 | 337.96 (357.77) |
Education levela | ||||||
 At least college | 1439 | 35.1% | 1294 | 35.0% | 1178 | 37.7% |
 Below college | 2660 | 64.9% | 2400 | 65.0% | 1946 | 62.3% |
House income | ||||||
 High | 2934 | 71.6% | 2697 | 74.0% | 2255 | 74.9% |
 Low | 1127 | 27.5% | 909 | 24.9% | 510 | 16.9% |
 Not provided | 38 | 0.9% | 39 | 1.1% | 246 | 8.2% |
Energy intake, kcal | 4099 | 8119.38 (3281.22) | 3641 | 7639.79 (3070.71) | 2992 | 7139.74 (2827.59) |
Smoking status | ||||||
 Current smoker | 486 | 11.9% | 335 | 9.4% | 204 | 6.0% |
 Ex-smoker | 1226 | 29.9% | 1135 | 32.0% | 1232 | 36.0% |
 Non-smoker | 2387 | 58.2% | 2078 | 58.6% | 1984 | 58.0% |
SF36 MCS | 4099 | 49.15 (9.41) | 3693 | 49.66 (9.62) | 3102 | 57.53 (12.02) |
Chronic kidney disease | ||||||
 No | 3927 | 95.8% | 3531 | 95.2% | 3086 | 97.8% |
 Yes | 172 | 4.2% | 179 | 4.8% | 71 | 2.3% |
History of CVD | ||||||
 No | 3953 | 96.4% | 3790 | 95.3% | 3279 | 92.0% |
 Yes | 146 | 3.6% | 188 | 4.7% | 284 | 8.0% |
History of cancera | ||||||
 No | 3827 | 93.4% | 3457 | 93.6% | 2914 | 93.3% |
 Yes | 272 | 6.6% | 237 | 6.4% | 210 | 6.7% |