Association between wheeze and selected air pollution sources in an air pollution priority area in South Africa: a cross-sectional study

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.

ISSN: 1476-069X