Table 1.

Descriptive statistics of variables

Variables	Description	Control [n = 96]		Treatment [n = 73]		Differencea
		Mean/percentage	SD	Mean	SD
Dependent variable
WTPb	WTP for a feminine hygiene kit, in Nepalese Rupees	301.05	116.07	375.75	165.67	− 74.70***
Explanatory variables
Age, years	Age of female	16.24	6.012	19.40	2.13	− 3.15***
Age at first menses	= 1 if age between 10 and 12 years; 2 if age between 13 and 15 years; and 3 if age between 16 and 19 years	1.85	0.481	1.81	0.461	0.046
Hygiene product usec
Reusable	Percentage of females currently using a reusable hygiene product	18.8%	–	6.8%	–	11.9**
Disposable	Percentage of females currently using a disposable hygiene product	63.5%	–	89%	–	− 25.4***
School environment	Percentage of females reporting the presence of the following items at school
Hygiene kit		32.3%		79.5%		− 47***
Disposal bin		87.5%		72.6%		14.9**
Soap		15.6%		82.2%		− 66.6***
Separate toilet		31.3%		13.7%		17.6***
Curriculum		94.8%		86.3%		8*
Cultural norms	Percentage of females reporting each of the following activities during menstruation
Forced isolation		7.3%		1.4%		5.9*
No cultural participation		86.5%		49.3%		37.1***
Not allowed in the kitchen		63.5%		56.2%		7.4
Not allowed to meet family		29.2%		26%		3.1
Not allowed in the worship area		96.9%		86.3%		10.6**
Demographic controls
Buddhist	Percentage of females belonging to the Buddhist religion	1.04%	–	2.74%	–	− 0.017
Dalit	Percentage of females belonging to the Dalit caste	22.9%	–	6.8%	–	0.161***
Wealth index	Sum of binary (1/0) self-reported yes answers to self or family owning land and a cement home	1.58	0.610	1.81	0.490	− 0.225**

SD standard deviation, WTP willingness to pay

^a***p < 0.01, **p < 0.05, *p < 0.1

^bRegressions are run using ln (WTP) as the dependent variable

^cOmitted category is ‘rags/old clothes’