Table 5 .Logistic regression of baseline Parameters(AL, K,LP)on NOM(4th year).

From: Influence of dynamic changes of ocular biometric parameters on new-onset myopia in Chinese children: a 4-year cohort study

Variable

N

Percentage (95% CI)

OR (95% CI)

P value

per year older

21,501

NA

1.05 (1.01–1.09)

0.011

Male (Reference)

10,821

50.3 (49.7–51.0)

1.00 (Reference)

Reference

Female

10,680

49.7 (49.0-50.3)

1.35 (1.31–1.40)

< 0.001

AL Baseline (≤ 22.66 mm)

7209

33.5 (32.9–34.2)

1.00 (Reference)

Reference

AL Baseline (22.66–23.26 mm)

7143

33.2 (32.6–33.9)

1.49 (1.42–1.57)

< 0.001

AL Baseline (> 23.26 mm)

7149

33.2 (32.6–33.9)

2.31 (2.17–2.47)

< 0.001

K Baseline (≤ 42.62D)

7279

33.9 (33.2–34.5)

1.00 (Reference)

Reference

K Baseline (42.62-43.88D)

7210

33.5 (32.9–34.2)

1.28 (1.23–1.34)

< 0.001

K Baseline (> 43.88D)

7012

32.6 (32.0-33.2)

1.75 (1.66–1.84)

< 0.001

LP Baseline (≤ 22.75D)

7092

33.0 (32.4–33.6)

1.00 (Reference)

Reference

LP Baseline (22.75-24.34D)

7074

32.9 (32.3–33.5)

0.94 (0.90–0.98)

0.004

LP Baseline (> 24.34D)

7335

34.1 (33.5–34.8)

0.79 (0.75–0.83)

< 0.001

  1. Note: AL: Axial Length; K: Keratometry; LP: Lens power; NOM = New Onset Myopia; (4th year): represents NOM at year 4 follow-up. Baseline parameters (year 1) stratified into tertiles. OR adjusted for age, gender, with school-level clustering.