Effects of depot medroxyprogesterone acetate, the copper IUD and the levonorgestrel implant on testosterone, sex hormone binding globulin and free testosterone levels: ancillary study of the ECHO randomized clinical trial

Table 1 Baseline variables, expressed as mean values (standard deviation) or number, %

	DMPA			IUD			Implant			p
	n			n			n			p
Age (years)	121	25.0	(4.3)	124	25.4	(4.6)	120	24.5	(4.7)	0.30
Never married	131	122	93.1%	135	131	97.0%	136	132	97.1%	0.23
Secondary school incomplete	131	75	57.3%	135	63	46.7%	136	76	55.9%	0.17
Earns income	131	16	12.2%	135	22	16.3%	136	19	14.0%	0.63
Nulliparous	131	33	25.2%	135	40	29.6%	136	41	30.2%	0.62
Regular menses	131	76	58.0%	135	89	65.0%	136	80	58.8%	0.34
Breastfeeding	131	19	14.5%	135	12	8.9%	136	10	7.4%	0.35
No Prior contraception	131	3	2.3%	135	5	3.7%	136	6	4.4	0.70
Fetal loss < 20 Weeks gestation	98	16	16.3%	95	23	24.2%	95	22	23.2%	0.35
Stillbirth	98	2	2.0%	95	9	9.5%	95	4	4.2%	0.07
Plan future children	131	85	64.9%	135	96	71.1%	136	106	77.9%	0.06
Age lastborn child	92	3.1	(2.9)	87	3.6	(3.1)	89	3.0	(2.4)	0.27
No alcohol	131	71	54.2%	135	78	57.8%	135	66	48.9%	0.34
Non smoker	131	119	90.8%	135	116	85.9%	135	117	86.7%	0.42
Has mobile phone	131	129	98.5%	135	130	96.3%	135	131	97.0%	0.64

ISSN: 1472-6874