Table 2.

Weight change (kg) at 12 months by contraceptive method for all women and stratified by race

	n	Mean	Standard Deviation	Median	Minimum	Maximum	p-value*
All Women
ENG implant	130	2.12	6.65	1.59	−16.33	32.66	0.01
LNG-IUS	130	1.03	5.33	0.91	−15.88	19.05	0.25
DMPA	67	2.20	4.85	1.81	−7.71	21.77	0.02
Copper IUD	100	0.16	5.06	0.00	−16.33	16.33	Ref
Black Race
ENG implant	79	2.6	7.1	1.8	−16.3	32.7	0.13
LNG-IUS	76	2.0	5.5	1.4	−15.9	19.1	0.31
DMPA	47	2.3	4.4	1.8	−7.3	15.9	0.26
Copper IUD	33	0.7	6.8	0.9	−16.3	16.3	Ref
White/Other Race
ENG implant	51	1.4	5.9	0	−6.4	17.7	0.12
LNG-IUS	54	−0.3	4.9	−0.2	−13.6	14.1	0.83
DMPA	20	2.0	6.0	1.4	−7.7	21.8	0.10
Copper IUD	67	−0.1	4.0	0.0	−10.4	10.9	Ref

^*p-values calculated using linear regression with copper IUD as referent group

ENG – etonogestrel; LNG-IUS – levonorgestrel intrauterine system; DMPA – depot medroxyprogesterone acetate; IUD – intrauterine device