Characteristics | Unadjusted OR (95% CI) | p value | Adjusted OR (95% CI) | p value |
---|---|---|---|---|
Age (years)a | ||||
17–24 | 1 | 0.6777 | 1 | 0.9438 |
25–34 | 0.77 (0.46–1.28) | 0.84 (0.48–1.49) | ||
35–44 | 0.96 (0.55–1.70) | 0.94 (0.50–1.77) | ||
45–54 | 0.89 (0.50–1.60) | 0.79 (0.41–1.51) | ||
55–64 | 1.24 (0.69–2.25) | 1.11 (0.56–2.17) | ||
65 and above | 1.25 (0.55–2.87) | 0.92 (0.37–2.34) | ||
Gendera | ||||
Female | 1 | 0.0147 | 1 | 0.1394 |
Male | 0.64 (0.44–0.91) | 0.72 (0.47–1.11) | ||
Year of enrolmenta | ||||
Dec 2007–2008 | 1 | 0.0021 | 1 | 0.0239 |
2009 | 0.91 (0.29–2.84) | 1.45 (0.42–4.94) | ||
2010 | 0.37 (0.13–1.12) | 0.62 (0.19–1.97) | ||
2011 | 0.90 (0.31–2.64) | 1.20 (0.39–3.71) | ||
2012-Feb 2013 | 0.56 (0.19–1.68) | 0.68 (0.22–2.15) | ||
Polyclinic enrolleda | ||||
Polyclinic A | 1 | <0.0001 | 1 | <0.0001 |
Polyclinic B | 0.22 (0.14–0.37) | 0.24 (0.14–0.41) | ||
Polyclinic C | 0.39 (0.2–0.77) | 0.31 (0.14–0.67) | ||
Polyclinic D and Eb | 0.76 (0.21–2.82) | 0.61 (0.15–2.46) | ||
Number of initial visit symptom persisting at first follow-up | ||||
0 | 1 | <0.0001 | 1 | <0.0001 |
1 | 1.68 (0.96–2.93) | 1.42 (0.79–2.57) | ||
2 | 2.48 (1.38–4.45) | 2.30 (1.23–4.30) | ||
3 | 6.55 (3.59–11.94) | 5.12 (2.67–9.83) | ||
4 and above | 2.37 (1.34–4.17) | 2.28 (1.24–4.19) | ||
WBC count at initial visit (cells/μL) | ||||
Leukopenia (<4) | 1.07 (0.57–2.04) | 0.99 (0.49–2.01) | ||
Normal range (4–11) | 1 | 0.1440 | 1 | 0.0433 |
Leukocytosis (>11) | 1.61 (1.01–2.55) | 1.97 (1.17–3.33) |