Table 4.

Distribution of myopia and high myopia in different type of schools

Education phase	Type of school	Count	SE, Mean (SD) (D)	Likely myopia (95% CI)	Myopia (95% CI)	High myopia (95% CI)
Elementary school	General school	460,412	− 0.92 (1.54)	8.26% (8.18%–8.34%)	37.73% (37.59%–37.87%)	0.95% (0.92%–0.98%)
	Key school	114,353	− 1.00 (1.56)	8.37% (8.21%–8.53%)	40.11% (39.83%–40.40%)	0.98% (0.93%–1.04%)
	Martial arts school	1433	− 0.40 (1.18)	5.72% (4.52%–6.92%)	19.61% (17.55%–21.66%)	0.07% (0.00%–0.21%)
	Art school	3430	− 0.86 (1.49)	7.81% (6.92%–8.71%)	38.19% (36.57%–39.82%)	0.76% (0.47%–1.05%)
	Sport school	981	− 0.87 (1.47)	8.46% (6.72%–10.20%)	35.98% (32.98%–38.99%)	0.51% (0.06%–0.96%)
Middle school	General school	242,409	− 2.71 (2.11)	5.95% (5.86%–6.05%)	77.59% (77.42%–77.75%)	6.94% (6.84%–7.04%)
	Key school	6511	− 2.83 (2.03)	5.45% (4.90%–6.00%)	82.31% (81.38%–83.23%)	6.91% (6.30%–7.53%)
	Martial arts school	777	− 1.13 (1.64)	7.46% (5.62%–9.31%)	40.41% (36.96%–43.86%)	1.03% (0.32%–1.74%)
	Art school	353	− 3.03 (2.01)	3.12% (1.30%–4.93%)	85.55% (81.88%–89.22%)	9.07% (6.07%–12.06%)
	Sport school	1000	− 1.67 (1.82)	6.50% (4.97%–8.03%)	56.10% (53.02%–59.18%)	2.70% (1.70%–3.70%)
High school	General school	36,202	− 3.48 (2.26)	3.47% (3.28%–3.66%)	84.93% (84.56%–85.29%)	12.98% (12.63%–13.33%)
	Key school	84,077	− 3.78 (2.27)	3.18% (3.07%–3.30%)	89.43% (89.22%–89.63%)	15.44% (15.19%–15.68%)
	Vocational school	49,729	− 2.72 (2.32)	5.83% (5.63%–6.04%)	74.43% (74.04%–74.81%)	8.88% (8.63%–9.13%)
	Art school	571	− 3.49 (2.36)	5.08% (3.28%–6.88%)	85.46% (82.57%–88.36%)	16.29% (13.26%–19.32%)
	Sport school	388	− 1.33 (1.46)	8.51% (5.73%–11.28%)	48.71% (43.74%–53.68%)	1.03% (0.03%–2.04%)

SE spherical equivalent; SD standard deviation; CI confidence interval