Table 3.

Multivariable model of the association between demographic, behavioral, socioeconomic and residential variables and schistosomiasis infection

Variable	PR	95% CI
Age group*
< 14	1.00
15 – 29	1.31	(1.13 – 1.53)
30 – 44	1.31	(1.13 – 1.51)
45 – 65	0.95	(0.78 – 1.16)
> 65	1.02	(0.70 – 1.49)
Unsafe water contact*
Yes	1.48	(1.18 – 1.87)
No	1.00
Household possessions*
No car or motorbike	1.85	(1.31 – 2.60)
Car and/or motorbike	1.00
Number of persons per room*
1.33 ≤ x < 4.00	1.16	(1.04 – 1.29)
0.80 ≤ x < 1.33	1.00	(0.95 – 1.06)
0.60 ≤ x < 0.80	0.87	(0.72 – 1.05)
0.14 ≤ x < 0.60	1.00
Education, head of household*
None	1.19	(1.05 – 1.35)
Some	1.00
Occupation, head of household
Agriculture	1.12	(0.92 – 1.37)
All other occupations	1.30	(1.07 – 1.58)
Retired or handicapped	1.00
Place of residence
Rural	1.08	(0.99 – 1.18)
VDG	1.00

^*Statistically significant