Volume 10, Number 7—July 2004
Research
Sporadic Cryptosporidiosis Case-Control Study with Genotyping
Table 3
Final multivariable model for Cryptosporidium hominis infectiona,b
Variables | Adjusted OR | 95% CI | p value |
---|---|---|---|
Health authority |
|||
A | 1 | < 0.001 | |
B | 0.030 | 0.003–0.335 | |
C | n.e. | n.e. | |
D | 0.781 | 0.206–2.960 | |
E | 0.002 | 0–∞ | |
F | 0.169 | 0.034–0.836 | |
G | 0.277 | 0.022–3.516 | |
H | 0.229 | 0.019–2.734 | |
I | n.e. | n.e. | |
J | 0.072 | 0.011–0.456 | |
K | n.e. | n.e. | |
L | 0.398 | 0.025–6.396 | |
M | 2.116 | 0.573–7.809 | |
N | 5.321 | 1.098–25.78 | |
O | 0.169 | 0.017–1.685 | |
P | 0.001 | 0–∞ | |
Q | n.e. | n.e. | |
R | 0.126 | 0.020–0.809 | |
S | 0.408 | 0.065–2.539 | |
T | 1.488 | 0.273–8.104 | |
U |
1.015 |
0.288–3.579 |
|
Age |
0.997/y |
0.982–1.012 |
0.713 |
Travel outside UK |
|||
Y | 6.841 | 2.622–17.850 | < 0.001 |
N |
1.000 |
||
Spend time sleeping or sitting outside on the ground |
|||
Y | 0.241 | 0.060–0.968 | 0.027 |
N |
1.000 |
||
Diaper changing contact with a child <5 y of age |
|||
Y | 3.991 | 1.848–8.618 | < 0.001 |
N |
1.000 |
||
Usually wash before eating raw fruit and vegetables |
|||
Always | 1.000 | 0.022 | |
Usually | 0.347 | 0.159–0.757 | |
Sometimes | 0.967 | 0.437–2.139 | |
Never |
1.337 |
0.387–4.629 |
|
No. of times swum in a toddler pool |
1.258 per time |
0.960–1.649 |
0.077 |
No. of persons 5–15 y of age living with you |
0.639 per person |
0.413–0.991 |
0.037 |
Eat fresh fruit |
|||
Y | 0.222 | 0.058–0.852 | 0.027 |
N | 1.000 |
aEstimated from 433 observations (82 case-patients and 351 controls).
bOR, odds ratio; CI, confidence interval; NE, not estimable.