Table 6 Logistic regression of annual Changes(1st-3rd years)(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

1.63 (1.56–1.70)

< 0.001

Male (Reference)

10,821

50.3 (49.7–51.0)

1.00 (Reference)

Reference

Female

10,680

49.7 (49.0-50.3)

1.07 (1.03–1.11)

< 0.001

AL Change 1–3 (≤ 0.18 mm)

7075

32.9 (32.3–33.5)

1.00 (Reference)

Reference

AL Change 1–3 (0.18–0.32 mm)

7021

32.7 (32.0-33.3)

1.98 (1.85–2.11)

< 0.001

AL Change 1–3 (> 0.32 mm)

7404

34.4 (33.8–35.1)

5.62 (5.28–5.98)

< 0.001

K Change 1–3 (≤−0.14D)

7307

34.0 (33.4–34.6)

1.00 (Reference)

Reference

K Change 1–3 (−0.14-0.07D)

6822

31.7 (31.1–32.4)

1.14 (1.09–1.19)

< 0.001

K Change 1–3 (> 0.07D)

7371

34.3 (33.7–34.9)

1.28 (1.23–1.34)

< 0.001

LP Change 1–3 (≤−1.19D)

7344

34.2 (33.5–34.8)

1.00 (Reference)

Reference

LP Change 1–3 (−1.19–0.33D)

6945

32.3 (31.7–32.9)

1.15 (1.10–1.19)

< 0.001

LP Change 1–3 (>−0.33D)

7211

33.5 (32.9–34.2)

1.12 (1.07–1.17)

< 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. Annual changes calculated from years 1–3 stratified into tertiles. OR adjusted for age, gender, with school-level clustering.