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. 2022 Jan 19;17(1):e0260993. doi: 10.1371/journal.pone.0260993

Table 4. Interactions in associations with myopia (all, childhood-onset and adult -onset) between ethnicity and no educational qualifications.

    Educational attainment adjusted Odds Ratios (95% confidence interval)
    No qualification O level A level Higher level
All myopia, n = 28,074
Ethnicity
White 1 1.67 (1.53, 1.82) 1.96 (1.82, 2.11) 2.74 (2.60, 2.89)
Mixed vs White 1.16 (0.81, 1.67) 1.06 (0.81, 1.39) 0.92 (0.58, 1.46) 1.05 (0.91, 1.21)
vs No qualification 1 1.52 (0.97, 2.40) 1.54 (0.75, 3.18) 2.47 (1.56, 3.91)
Asian/British Asian vs White 0.61 (0.47, 0.81) 0.85 (0.76, 0.96) 0.89 (0.75, 1.06) 0.82 (0.72, 0.94)
vs No qualification 1 2.34 (1.59, 3.43) 2.85 (2.30, 3.54) 3.70 (2.61, 5.25)
Black/Black British vs White 0.76 (0.47, 1.24) 1.24 (1.11, 1.38) 0.67 (0.54, 0.83) 0.60 (0.56, 0.66)
vs No qualification 1 2.72 (1.73, 4.27) 1.72 (0.95, 3.13) 2.18 (1.43, 3.33)
Chinese vs White 1.13 (0.57, 2.23) 1.66 (0.90, 3.07) 1.66 (1.46, 1.89) 2.06 (1.67, 2.55)
vs No qualification 1 2.46 (1.27, 4.74) 2.89 (1.42, 5.88) 5.00 (2.76, 9.05)
Other vs White 0.61 (0.46, 0.81) 0.72 (0.53, 0.99) 0.59 (0.47, 0.74) 0.72 (0.65, 0.81)
vs No qualification 1 1.98 (1.28, 3.09) 1.89 (1.21, 2.95) 3.26 (2.29, 4.63)
Adult-onset myopia, n = 11,685
Ethnicity**
White 1 1.49 (1.35, 1.64) 1.58 (1.44, 1.74) 1.77 (1.63, 1.92)
Mixed vs White 1.32 (0.52, 3.34) 1.04 (0.85, 1.28) 0.68 (0.50, 0.93) 1.12 (0.90, 1.39)
vs No qualification 1 1.17 (0.50, 2.75) 0.82 (0.25, 2.65) 1.49 (0.51, 4.36)
Asian/British Asian vs White 0.63 (0.37, 1.07) 0.89 (0.82, 0.97) 0.82 (0.69, 0.97) 0.96 (0.79, 1.16)
vs No qualification 1 2.11 (1.13, 3.91) 2.06 (1.26, 3.35) 2.69 (1.46, 4.96)
Black/Black British vs White 0.90 (0.60, 1.37) 1.21 (1.04, 1.41) 0.70 (0.66, 0.74) 0.92, (0.87, 0.98)
vs No qualification 1 2.00 (1.26, 3.16) 1.23 (0.80, 1.90) 1.80 (1.24, 2.63)
Chinese vs White 1.13 (0.40, 3.21) 0.97 (0.47, 2.00) 0.38 (0.23, 0.61) 1.55 (1.41, 1.71)
vs No qualification 1 1.27 (0.35, 4.59) 0.53 (0.12, 2.28) 2.42 (0.78, 7.51)
Childhood-onset myopia, n = 16,389
Ethnicity**
White 1 1.82 (1.69, 1.97) 2.33 (2.11, 2.58) 3.78 (3.61, 3.96)
Mixed vs White 0.93 (0.44, 2.92) 1.05 (0.70, 1.58) 1.11 (0.63, 1.95) 1.01 (0.86, 1.19)
vs No qualification 1 2.06 (0.75, 5.66) 2.78 (1.70, 4.53) 4.11 (2.11, 8.01)
Asian/British Asian vs White 0.56 (1.07, 1.96) 0.81 (0.65, 1.01) 0.95 (0.75, 1.20) 0.75 (0.68, 0.84)
vs No qualification 1 2.64 (1.92, 3.64) 3.93 (3.02, 5.12) 5.09 (4.36, 5.94)
Black/Black British vs White 0.57 (1.16, 4.16) 1.25 (1.09, 1.42) 0.63 (0.44, 0.91) 0.42 (0.36, 0.49)
vs No qualification 1 4.00 (2.26, 7.10) 2.59 (1.11, 6.05) 2.78 (1.58, 4.90)
Chinese vs White 1.07 (1.28, 3.54) 2.28 (1.24, 4.22) 2.79 (2.24, 3.43) 2.38 (1.78, 3.18)
vs No qualification 1 3.88 (2.36, 6.38) 6.05 (2.38, 15) 8.37 (4.09, 17)

*Adjustment by year of birth, sex, accommodation tenure, variance adjustment for test centre.

**Estimates by Other ethnicity cannot be made due to low numbers. Bold fonts indicate significant within cohort associations at the 5% level.