表2 学龄期儿童发生近视的Logistic回归分析结果
因素 | β | SE | Wald χ2 | P | OR | 95% CI |
每天用眼时间/(min/d) | 0.021 | 0.012 | 2.947 | <0.036 | 1.022 | 1.047~1.296 |
单次用眼时间/min | 0.167 | 0.047 | 12.508 | <0.001 | 1.182 | 1.077~1.296 |
用眼距离/mm | −0.280 | 0.139 | 4.019 | 0.045 | 0.756 | 0.575~0.994 |
白天用眼光照/Lux | −0.029 | 0.011 | 6.360 | 0.012 | 0.972 | 0.950~0.994 |
晚上用眼光照/Lux | −0.058 | 0.019 | 8.953 | 0.003 | 0.944 | 0.909~0.980 |
每天户外活动时间/(h/d) | −0.101 | 0.039 | 6.638 | 0.010 | 0.904 | 0.837~0.976 |
每天有效户外活动暴露次数/(次/d) | −0.823 | 0.378 | 4.732 | 0.030 | 0.439 | 0.209~0.922 |