Table 4.
Multivariate Logistic Regression Analysis of the risk factors associated with Myopia and High Myopia
| Myopia (SE < −0.5D) | High Myopia (SE < −5.0D) | |||||
|---|---|---|---|---|---|---|
| B | OR (95% CI) | p | B | OR (95% CI) | p | |
| Age, y | 0.05 | 1.05 (1.04-1.07) | <0.001 | 0.00 | 1.00 (0.97-1.04) | 0.86 |
| Gender | ||||||
| Male | 0 | 1 | 0 | 1 | ||
| Female | 0.21 | 1.26 (0.98-1.56) | 0.08 | −0.41 | 0.67 (0.36-1.24) | 0.20 |
| Educational Level | ||||||
| Illiterate or no education | 0 | 1 | 0 | 1 | ||
| Primary education | −0.17 | 0.85 (0.71-1.00) | 0.05 | 0.00 | 1.00 (0.65-1.55) | 0.99 |
| Secondary education and above | −0.19 | 0.82 (0.63-1.08) | 0.15 | 1.02 | 2.77 (1.11-6.94) | 0.03 |
| Occupation | ||||||
| Peasants | 0 | 1 | 0 | 1 | ||
| Workers | −0.07 | 0.93 (0.78-1.12) | 0.45 | 0.66 | 1.93 (1.12-3.31) | 0.02 |
| Professionals | −0.53 | 0.59 (0.36-0.95) | 0.03 | −0.30 | 0.74 (0.28-2.00) | 0.56 |
| Managers | −0.48 | 0.62 (0.29-1.34) | 0.22 | 0.28 | 1.32 (0.18-10.02) | 0.79 |
| Teachers | −0.14 | 0.87 (0.42-1.79) | 0.70 | −2.03 | 0.13 (0.04-0.46) | 0.002 |
| Civil servants | 0.35 | 1.42 (0.42-4.79) | 0.57 | 18.32 | – | 0.999 |
| unknown | −0.11 | 0.9 (0.68-1.19) | 0.45 | 0.33 | 1.39 (0.65-2.96) | 0.40 |
| Individual monthly income | ||||||
| Less than ¥1000 | 0 | 1 | 0 | 1 | ||
| ¥1001-4000 | 0.14 | 1.15 (0.97-1.37) | 0.11 | −0.17 | 0.84 (0.54-1.31) | 0.44 |
| More than ¥4000 | 0.17 | 1.18 (0.72-1.95) | 0.52 | −0.31 | 0.73 (0.24-2.25) | 0.59 |
| Marital status | ||||||
| Married | 0 | 1 | 0 | 1 | ||
| Single /Divorce /Widowed | −0.08 | 0.92 (0.75-1.12) | 0.41 | 0.26 | 1.29 (0.77-2.18) | 0.34 |
| Housing area, m2 | ||||||
| Less than 80 | 0 | 1 | 0 | 1 | ||
| 80-130 | −0.15 | 0.86 (0.67-1.09) | 0.21 | 0.44 | 1.55 (0.81-2.95) | 0.19 |
| More than 130 | −0.04 | 0.96 (0.81-1.14) | 0.65 | 0.11 | 1.12 (0.73-1.73) | 0.61 |
| Smoking | ||||||
| Never | 0 | 1 | 0 | 1 | ||
| Past | 0.19 | 1.21 (0.94-1.56) | 0.13 | −0.21 | 0.81 (0.41-1.61) | 0.55 |
| Current | 0.09 | 1.09 (0.79-1.51) | 0.58 | −0.29 | 0.75 (0.33-1.69) | 0.48 |
| Alcohol consumption | ||||||
| No | 0 | 1 | 0 | 1 | ||
| Yes | −0.22 | 0.80 (0.65-1.00) | 0.05 | −0.17 | 0.84 (0.48-1.49) | 0.55 |
| Tea drinking | ||||||
| No | 0 | 1 | 0 | 1 | ||
| Yes | −0.19 | 0.83 (0.69-1.00) | 0.05 | 0.28 | 1.32 (0.81-2.15) | 0.27 |
| Time for sleeping per night,h | 0.11 | 1.12 (1.06-1.18) | <0.001 | −0.16 | 0.85 (0.74-0.97) | 0.02 |
| Family history of myopia | ||||||
| No | 0 | 1 | 0 | 1 | ||
| Yes | 0.39 | 1.47 (1.23-1.77) | <0.001 | −0.33 | 0.72 (0.45-1.14) | 0.16 |
| Cataract | ||||||
| No | 0 | 1 | 0 | 1 | ||
| Yes | 0.47 | 1.60 (1.36-1.88) | <0.001 | −0.87 | 0.42 (0.27-0.65) | <0.001 |
OR odds ratio, CI confidence interval. The significant values (p < 0.05) are presented in bold