Table 4.
Prevalence of current severe wheeze amongst the participants (Tembisa and Kempton Park combined) along with crude and adjusted odd ratios
| Variable | Total a | Prevalence (%) | Crude OR (95% CI) b | p | Adjusted OR (95% CI) b,c | p |
|---|---|---|---|---|---|---|
|
Pasta consumption |
|
|
|
|
|
|
| Never or occasionally |
136 |
72.1 |
1 |
|
1 |
|
| Once or twice per week |
319 |
67.1 |
0.81 (0.52-1.26)) |
0.359 |
0.78 (0.49-1.24) |
0.301 |
| Three or more times per week |
122 |
59.0 |
0.55 (0.33-0.93) |
0.023 |
0.54 (0.31-0.93) |
0.027 |
|
Vigorous physical activity per week |
|
|
|
|
|
|
| Never |
133 |
59.4 |
1 |
|
1 |
|
| Once or twice per week |
292 |
68.5 |
1.48 (0.97-2.27) |
0.068 |
1.46 (0.93-2.30) |
0.099 |
| Three or more time a week |
190 |
72.6 |
1.81 (1.13-2.90) |
0.013 |
1.76 (1.09-2.84) |
0.030 |
|
Frequency of trucks passing near homes on weekdays |
|
|
|
|
|
|
| Never |
81 |
56.8 |
1 |
|
1 |
|
| Seldom |
195 |
62.1 |
1.24 (0.73-2.10) |
0.416 |
1.16 (0.68-1.98) |
0.598 |
| Frequently through the day |
95 |
67.4 |
1.57 (0.84-2.90) |
0.150 |
1.44 (0.77-2.69) |
0.333 |
| Almost the whole day |
244 |
75.4 |
2.33 (1.37-3.95) |
0.002 |
2.22 (1.28-3.77) |
0.006 |
|
Having a cat in and around the house in the past 12 months |
|
|
|
|
|
|
| No |
499 |
65.4 |
1 |
|
1 |
|
| Yes | 117 | 76.1 | 1.68 (1.06-2.67) | 0.024 | 1.68(1.03-2.73) | 0.035 |
aTotals for each risk factor are different due to difference in missing values.
bValues that are statistically significant at less than 0.02 for the crude OR and less than 0.05 for the adjusted OR are in bold font.
cModel adjusted for all the variables in this table.