Table 4.

Association between AMY1A copy number and obesity risk

Study	Obese cases		Controls		OR (95% CI)b	P value
	n	AMY1A copiesa	n	AMY1A copiesa
Adults	1179	6.8 ± 2.5	2220	7.0 ± 2.6	0.98 (0.95–1.01)	0.13
Children/Adolescents	785	7.0 ± 2.6	712	7.3 ± 2.7	0.94 (0.90–0.98)	7.1 × 10−3
Combined analysis	–	–	–	–	0.97 (0.94–0.99)	6.8 × 10−3

^aData are means ± standard deviation

^bOdds ratio per AMY1A copy from a logistic regression adjusted for age and sex

AMY1A salivary amylase gene, CI confidence interval, OR odds ratio