Table 4. Frequency distribution of response categories and polychoric/polyserial correlation coefficients for household water insecurity items among women in western Kenya at 15 months postpartum, from highest to the lowest frequency (n = 241).

Scale Item	Response Categories					Item		Polychoric Correlation Coefficients	Polyserial Correlation Coefficients
	Never1	Rarely2	Sometimes3	Often/ Always4	Ever5	M6	SD7
Worry Enough (Q1)	53.7	26.2	16.4	3.7	46.3	0.70	0.87	0.73–0.88	0.79
Unsafe drinking (Q22)	55.1	23.4	17.8	3.7	44.9	0.70	0.89	0.68–0.80	0.80
Water treatment (Q21)	60.3	21.0	15.0	3.7	39.7	0.62	0.87	0.71–0.99	0.88
Laundry (Q14)	61.2	22.0	14.5	2.3	38.8	0.58	0.82	0.78–0.92	0.90
Angry/Frustrated (Q3)	61.7	23.4	13.6	1.4	38.3	0.55	0.78	0.67–0.88	0.74
Children (Q19)	61.7	26.2	10.8	1.4	38.3	0.52	0.74	0.77–0.92	0.85
Toileting (Q18)	62.6	17.8	17.3	2.3	37.4	0.59	0.85	0.68–0.89	0.83
Unsafe fetching (Q5)	63.1	21.0	14.5	1.4	36.9	0.54	0.79	0.73–0.91	0.86
Income (Q8)	65.1	21.0	11.2	1.9	34.9	0.49	0.76	0.72–0.97	0.83
Enough drinking (Q25)	65.9	26.6	7.0	0.5	34.1	0.42	0.64	0.75–0.91	0.82
Child Care (Q9)	66.8	21.0	9.8	2.3	33.2	0.48	0.77	0.73–0.87	0.85
Body washing (Q20)	67.3	21.5	10.3	0.9	32.7	0.45	0.72	0.77–0.93	0.85
Borrow (Q12)	67.8	20.6	9.4	2.3	32.2	0.46	0.76	0.73–0.88	0.84
Felt dirty (Q16)	70.1	20.1	9.4	0.5	29.9	0.40	0.68	0.73–0.96	0.87
Missed meetings (Q15)	70.1	19.2	9.4	1.4	29.9	0.42	0.72	0.74–0.87	0.86
Cooking (Q17)	70.6	18.7	9.8	0.9	29.4	0.41	0.70	0.71–0.90	0.89
Neighbour argument (Q23)	71.5	22.0	6.5	0.0	28.5	0.35	0.60	0.74–0.86	0.80
Medications (Q26)	73.4	20.1	5.6	0.9	26.6	0.34	0.63	0.71–0.86	0.82
Sleep thirsty (Q28)	76.2	21.0	2.3	0.5	23.8	0.27	0.52	0.79–0.92	0.91
No water (Q29)	80.8	15.0	3.7	0.5	19.2	0.24	0.53	0.71–0.86	0.82

Notes

¹Never = 0

² Rarely = 1–2 times in prior 4 weeks

³Sometimes = 3–10 times in prior 4 weeks

⁴Often/Always in prior 4 weeks = 11+ times

⁵Ever ≥1 in prior 4 weeks

⁶M = Mean

⁷SD = Standard Deviation