Table 1. Internal consistency and median scores of the constructs (n = 140).

Construct	Number of items	Cronbach α	Median	Range of score*	Example statements
Knowledge	5	0.61	19	13–25	Vitamin A can prevent infections
Perceived susceptibility	2	0.69	10	2–10	School children are at risk of developing VAD
Perceived severity	6	0.80	26	10–30	Lack of vitamin A makes my child susceptible to diseases
Health value	2	0.56	10	4–10	That my child can properly see during dusk or dawn is the most important thing in my life
Health behavior Identity	1	N/A	3	1–5	Eating pro-vitamin A rich cassava is good for my child
Attitudes towards behavior	9	0.73	57	−13–80	a) Pro-vitamin a rich cassava is nutritious. b) I find it important to prepare food that is nutritious for my child
Perceived barriers – 1	4	0.96	13	4–20	I worry about the yellow color of pro-vitamin A rich cassava
Perceived barriers – 2	10	0.60	40	16–50	Cassava is expensive to buy
Subjective norms	5	0.66	21	−20–50	a) My husband determines when to prepare cassava. b) The opinion of my husband on what to prepare is important to me
Control beliefs	3	0.72	15	9–15	I decide what food to buy for my household
Cues to action	8	0.80	36	11–40	School children in my household suffering from VAD would make me decide to buy pro-vitamin A rich cassava
Behavioral intention	1	N/A	4	0–4	Will you prepare pro-vitamin A rich cassava for your child in the future?

^*Range refers to minimum and maximum score for each construct in the study.