Table 1 Characteristics of the study population by TV screen time in 3305 Singaporeans
| Â | TV screen time (hours/day) | Â | |||
|---|---|---|---|---|---|
| Â | <1 | 1- 1.99 | 2-2.99 | >=3 | p for trend |
N (%) | 488 (14.77) | 1031 (31.20) | 977 (29.56) | 809 (24.48) | Â |
Age, years (mean±SD) | 47.06 ± 10.62 | 46.20 ± 10.44 | 46.67 ± 10.43 | 48.58 ± 11.48 | <0.0001 |
Sex (N, %) | Â | Â | Â | Â | Â |
 Male | 242 (49.59) | 503 (48.79) | 450 (46.06) | 328 (40.54) | 0.0002 |
 Female | 246 (50.41) | 528 (51.21) | 527 (53.94) | 481 (59.46) |  |
Ethnicity (N, %) | Â | Â | Â | Â | Â |
 Chinese | 356 (72.95) | 719 (69.74) | 666 (68.17) | 546 (67.49) | 0.22 |
 Malay | 60 (12.30) | 175 (16.97) | 184 (18.83) | 150 (18.54) |  |
 Indian | 72 (14.75) | 137 (13.29) | 127 (13.00) | 113 (13.97) |  |
Highest level of education (N, %) | Â | Â | Â | ||
 None/ primary | 105 (21.56) | 175 (16.97) | 195 (19.96) | 235 (29.05) | <0.0001 |
 Secondary | 170 (34.91) | 402 (38.99) | 390 (39.92) | 341 (42.15) |  |
 Vocational training | 87 (17.86) | 241 (23.38) | 237 (24.26) | 155 (19.16) |  |
 University | 125 (25.67) | 213 (20.66) | 155 (15.86) | 78 (9.64) |  |
Current Employment status (N, %) | Â | Â | Â | ||
 Yes | 389 (79.71) | 848 (82.25) | 761(77.89) | 484 (59.83) | <0.0001 |
 No | 99 (20.29) | 183 (17.75) | 216 (22.11) | 325 (40.17) |  |
Cigarette smoking (N, %) | Â | Â | Â | Â | Â |
 Never smoker | 387 (79.30) | 830 (80.50) | 757 (77.48) | 640 (79.11) | 0.96 |
 Current smoker | 59 (12.09) | 128 (12.42) | 129 (13.20) | 122 (15.08) |  |
 Ex-smoker | 42 (8.61) | 73 (7.08) | 91 (9.31) | 47 (5.81) |  |
Current alcohol consumption (N, %) | 81 (16.60) | 173 (16.78) | 190 (19.45) | 139 (17.18) | 0.49 |