Table 2. Body mass index (BMI) at 0, 6, 12, and 18 months by weight gain status after 6 months of DMPA use.

BMI (kg/m2)	Statistic	≤ 5% Weight Gain at 6 Months	> 5% Weight Gain at 6 Months	P-value
0 months	Mean ± SD	23.4 ± 4.6	24.5 ± 4.5	0.31
	Median	22.2	23.8
	Range	16.3-39.8	18.3-32.1
6 months	Mean ± SD	23.3 ± 5.0	26.6 ± 5.1	0.009
	Median	21.5	25.9
	Range	16.3-40.2	19.6-35.3
12 months	Mean ± SD	24.2 ± 5.5	28.7 ± 5.6	0.007
	Median	22.5	28.5
	Range	17.2-41.5	20.4-37.8
18 months	Mean ± SD	25.7 ± 6.0	32.1 ± 5.7	0.01
	Median	24.0	30.5
	Range	18.4-41.8	23.3-37.9