From: Housing type and myopia: the mediating role of parental myopia
Variable | n (%) | Myopia | |
---|---|---|---|
Crude OR (95 % CI) | Adjusted a OR (95 % CI) | ||
Parental myopia | |||
None | 8067 (26.3) | Ref. | Ref. |
One | 4279 (42.7) | 2.09 (1.99–2.19) ** | 2.35 (2.22–2.49) ** |
Both | 1582 (51.0) | 2.91 (2.70–3.14) ** | 3.57 (3.26–3.90) ** |
Housing type | |||
Flat room | 2421 (24.3) | Ref. | Ref. |
1–3 floor | 4440 (29.2) | 1.28 (2.57–3.15) ** | 1.19 (1.11–1.27) ** |
4–6 floor | 4486 (37.2) | 1.84 (1.73–1.95) ** | 1.34 (1.25–1.44) ** |
7 floor or more | 2581 (39.4) | 2.02 (1.88–2.16) ** | 1.30 (1.20–1.42) ** |
Near work time (hours/day) | |||
≤ 2 h | 2354 (26.4) | Ref. | Ref. |
>2 h | 11574 (33.2) | 1.38 (1.31–1.46) ** | 0.96 (0.90–1.01) |
Sunlight exposure time (hours/day) | |||
≤ 2 h | 6240 (33.1) | Ref. | Ref. |
>2 h | 7688 (30.8) | 0.90 (0.86–0.94)** | 0.91 (0.87–0.96)** |
Sufficient physical activity | |||
no | 6062 (32.9) | Ref. | Ref. |
yes | 7866 (31.0) | 0.67 (0.63–0.71) ** | 0.98 (0.98–0.99) ** |