Table 8. Meta-analysis results.

Meta-Analysis	Odds Ratio (95% CI)	Tau Squared	Q p-Value	I 2 (95% Uncertainty)	Egger's Test P	n Studies	GRADE
Piped water use (any STH)	0.93 (0.28–3.11)	1.86	<0.01	98.6 (98–99)	<0.01	5	Very low
Piped water use (A. lumbricoides)	0.40 (0.39–0.41)	0	0.62	0 (0–85)	0.08	4	Low
Piped water use (T. trichiura)	0.57 (0.45–0.72)	0	0.93	0 (0–90)	0.67	3	Low
Treated water use (any STH)	0.46 (0.36–0.60)	0	0.82	0 (0–90)	0.36	3	Low
Wearing shoes (hookworm)	0.29 (0.18–0.47)	0.09	0.09	30 (0–73)	0.03	5	Moderate
Wearing Shoes (any STH)	0.30 (0.11–0.83)	0.60	0.02	74 (12–92)	0.29	3	Low
Soap use/availability (any STH)	0.53 (0.29–0.98)	0.07	0.28	21 (0–92)	0.98	3	Low
Handwashing before eating (A. lumbricoides)	0.38 (0.26–0.55)	0	0.90	0 (0–90)	0.59	3	Low
Handwashing after defecation (A. lumbricoides)	0.45 (0.35–0.58)	0	0.55	0 (0–90)	0.29	3	Low
Handwashing after defecation (any STH)	0.47 (0.24–0.90)	0.44	<0.01	88 (74–94)	0.58	5	Very low
Sanitation access (any STH)	0.66 (0.57–0.76)	0	0.70	0 (0–68)	0.57	8	Low
Sanitation access (T. trichiura)	0.61 (0.50–0.74)	0.01	0.29	19 (0–62)	0.49	7	Low
Sanitation access (A. lumbricoides)	0.62 (0.44–0.88)	0.05	0.22	28 (0–70)	0.83	6	Low
Sanitation access (hookworm)	0.80 (0.61–1.06)	0.01	0.34	11 (0–77)	0.13	6	Very low