Table 4.
Association between socioeconomic status and prolonged TV viewing time in women (n=1577): NIPPONDATA2010
| Model 1 | Model 2 | Model 3 | ||||||
|---|---|---|---|---|---|---|---|---|
| n | %a | OR | 95%CI | OR | 95%CI | OR | 95%CI | |
| <60 years | ||||||||
| Employment status | ||||||||
| Working | 474 | 9.3 | (ref.) | (ref.) | (ref.) | |||
| Not working | 266 | 25.6 | 3.38 | (2.23–5.12) | 3.35 | (2.20–5.10) | 3.77 | (2.43–5.84) |
| Educational attainment | ||||||||
| High (13≤) | 378 | 11.1 | (ref.) | (ref.) | (ref.) | |||
| Middle (10–12) | 310 | 18.1 | 1.72 | (1.12–2.66) | 1.65 | (1.06–2.57) | 1.72 | (1.09–2.71) |
| Low (<10) | 52 | 26.9 | 2.84 | (1.41–5.70) | 2.69 | (1.31–5.52) | 2.63 | (1.21–5.69) |
| Living status | ||||||||
| Living with spouse | 563 | 14.6 | (ref.) | (ref.) | (ref.) | |||
| Living with others | 145 | 17.1 | 1.40 | (0.83–2.34) | 1.39 | (0.83–2.34) | 1.95 | (1.11–3.41) |
| Living alone | 32 | 15.6 | 1.05 | (0.39–2.82) | 1.07 | (0.40–2.91) | 1.26 | (0.43–3.68) |
| Equivalent household expenditure | ||||||||
| 1st tertile | 210 | 14.8 | (ref.) | (ref.) | (ref.) | |||
| 2nd tertile | 272 | 17.6 | 1.20 | (0.73–1.96) | 1.24 | (0.75–2.05) | 1.46 | (0.86–2.47) |
| 3rd tertile | 258 | 12.8 | 0.81 | (0.48–1.38) | 0.83 | (0.48–1.42) | 0.89 | (0.50–1.56) |
| ≥60 years | ||||||||
| Employment status | ||||||||
| Working | 185 | 14.6 | (ref.) | (ref.) | (ref.) | |||
| Not working | 652 | 40.8 | 3.93 | (2.51–6.13) | 3.88 | (2.48–6.09) | 4.21 | (2.65–6.70) |
| Educational attainment | ||||||||
| High (13≤) | 100 | 20.0 | (ref.) | (ref.) | (ref.) | |||
| Middle (10–12) | 410 | 34.6 | 2.08 | (1.22–3.54) | 2.13 | (1.25–3.65) | 2.00 | (1.15–3.49) |
| Low (<10) | 327 | 40.1 | 2.49 | (1.44–4.28) | 2.61 | (1.50–4.52) | 2.34 | (1.32–4.16) |
| Living status | ||||||||
| Living with spouse | 535 | 31.0 | (ref.) | (ref.) | (ref.) | |||
| Living with others | 130 | 33.8 | 1.06 | (0.70–1.62) | 1.10 | (0.72–1.67) | 1.07 | (0.68–1.67) |
| Living alone | 172 | 48.3 | 1.90 | (1.31–2.76) | 1.89 | (1.30–2.77) | 1.84 | (1.22–2.75) |
| Equivalent household expenditure | ||||||||
| 1st tertile | 279 | 38.0 | (ref.) | (ref.) | (ref.) | |||
| 2nd tertile | 286 | 32.9 | 0.82 | (0.57–1.16) | 0.79 | (0.56–1.13) | 0.72 | (0.49–1.05) |
| 3rd tertile | 272 | 34.2 | 0.87 | (0.61–1.23) | 0.85 | (0.59–1.21) | 0.83 | (0.57–1.22) |
TV, television; OR, odds ratio; CI, confidence intervals
aProportion of defined as participants who viewed TV over 4 h
Model l was adjusted for age for each socioeconomic factor
Model 2 was adjusted for model 1 plus alcohol drinking habit, smoking habit, exercise habit, and past history
Model 3 was adjusted for all socioeconomic factor (employment status, educational attainment, living status, equivalent household expenditure), age, alcohol drinking habit, smoking habit, exercise habit, and past history, simultaneously