Table 1 The proportion of children attending for myopia testing at 7 years of age, according to the smoking history of their parents and grandparents.
From: Grandmothers’ smoking in pregnancy is associated with a reduced prevalence of early-onset myopia
Smoking history | Proportion (%) examined at 7 | |
|---|---|---|
MGM | Ever | 3785/7129 (53.1) |
Never | 3246/5451 (59.5) | |
MGM | Prenatally | 2372/4733 (50.1) |
Not prenatally | 4627/7790 (59.4) | |
MGF | Ever | 5188/9422 (55.1) |
Never | 1758/1179 (59.9) | |
PGM | Ever | 3153/5462 (57.7) |
Never | 2589/4119 (62.9) | |
PGM | Prenatally | 2281/4028 (56.6) |
Not prenatally | 3439/5516 (62.3) | |
PGF | Ever | 4188/6972 (60.1) |
Never | 1146/1898 (60.4) | |
Mother | Ever | 3309/6629 (49.9) |
Never | 3990/6431 (62.0) | |
Mother | Prenatally | 1085/2615 (41.5) |
Not prenatally | 6252/10548 (59.3) | |
Father | Ever | 3000/5412 (55.4) |
Never | 2863/4421 (64.8) | |
Father | Prenatally | 1482/2959 (50.1) |
Not prenatally | 4291/6709 (64.0) | |
