Table 3.

Percentage of anemia among adolescent boys and girls by their background characteristics

Variables	Adolescent boys			Adolescent girls
	Wave-1	Wave-2	p-value	Wave-1	Wave-2	p-value
Household environment
Source of drinking water
Others	42.7	28.5	< 0.001	40.4	69.6	< 0.001
Piped	32.3	32.4	< 0.001	56.7	65.5	< 0.001
Source of cooking fuel
Unclean	33.4	35.3	< 0.001	57.3	64.9	< 0.001
Clean	30.1	24.8	< 0.001	52.3	67.4	< 0.001
Type of toilet facility
Own flush/pit	28.0	29.6	< 0.001	55.5	66.1	< 0.001
Shared flush/toilet	32.2	29.9	< 0.001	52.0	64.8	< 0.001
Others	34.9	36.2	< 0.001	57.2	65.2	< 0.001
Individual characteristics
Underweight
No	26.2	24.3	< 0.001	56.6	66.3	< 0.001
Yes	33.7	36.4	< 0.001	56.3	65.2	< 0.001
Thinness
No	32.4	30.2	< 0.001	57.6	67.1	< 0.001
Yes	33.5	44.4	< 0.001	51.1	56.5	< 0.001
Consumption of IFA tablets
No	33.4	31.4	< 0.001	54.6	66.3	< 0.001
Yes	30.9	33.7	< 0.001	60.5	64.4	< 0.001
Household characteristics
Wealth index
Poorest	42.5	36.8	< 0.001	59.8	65.7	< 0.001
Poorer	31.7	35.0	< 0.001	55.5	63.8	< 0.001
Middle	29.3	40.0	< 0.001	58.5	73.6	< 0.001
Richer	35.0	26.1	< 0.001	49.9	62.1	< 0.001
Richest	28.6	22.9	< 0.001	60.0	63.1	< 0.001
Religion
Hindu	34.0	32.5	< 0.001	57.2	65.8	< 0.001
Non-Hindu	25.3	30.6	< 0.001	53.1	65.1	< 0.001
Caste
SC/ST	36.0	35.4	< 0.001	57.6	64.4	< 0.001
Non-SC/ST	31.6	31.0	< 0.001	55.9	65.6	< 0.001
Place of residence
Urban	26.2	22.2	< 0.001	57.6	64.9	< 0.001
Rural	33.8	33.7	< 0.001	56.1	65.8	< 0.001
States
Uttar Pradesh	35.4	32.6	< 0.001	55.1	60.1	< 0.001
Bihar	28.4	31.4	< 0.001	57.8	72.0	< 0.001

Estimates for age and schooling were not presented as they were continuous

p-values are based on the proportion test