A cluster-randomized, placebo-controlled, maternal vitamin a or beta-carotene supplementation trial in bangladesh: design and methods

Table 2 Sector-Level Characteristics, by treatment group

Presence in Sector	Placebo N = 198		Vitamin A N = 198		β-Carotene N = 200
	n	%	n	n	n	%
Market Structures
Permanent market **	15	7.6	40	40	28	14.1
Regular (weekly) market	15	7.6	19	19	10	5.1
Rice Mill *	112	56.6	134	134	107	54.0
Education
Primary School	83	41.9	93	93	95	48.0
High School *	15	7.6	33	33	30	15.2
Health Services
Private Doctor (MBBS)	2	1.0	6	6	6	3.0
Family Welfare Clinic *	6	3.0	16	16	7	3.5
Medicine Shop	39	19.7	57	57	50	25.2
Village Doctor	89	45.0	94	94	107	54.0
Infrastructure
Year Round Finished Road	62	31.3	48	48	53	26.8
Electricity	99	50.0	103	103	94	47.5

ISSN: 1745-6215