Table 3.

Logistic regression model for LBP in the past 12 months for chartered physiotherapists, physical therapists and athletic therapists, the SLÁN 2007 working population sample and the therapists and SLÁN 2007 sample combined

Variable	Adjusted odds ratio	95% CI	P value
All therapists (n = 347)
Employment status (reference group: employed)
Self-employed	1.0	0.6–1.7	NS
Both	1.1	0.6–2.1	NS
Gender (reference: male)
Female	1.5	0.9–2.4	NS
Age group (reference group: ≤29 years)
30–34	0.5	0.2–1.1	NS
35–39	0.6	0.3–1.2	NS
40–44	1.1	0.5–2.4	NS
45–49	0.7	0.3–1.6	NS
50+	0.9	0.4–2.1	NS
SLÁN 2007 (n = 5862)
Employment status (reference group: employed)
Self-employed	1.1	0.9–1.3	NS
Gender (reference group: male)
Female	1.1	1.0–1.3	NS
Age group (reference group: ≤29 years)
30–34	1.3	1.0–1.7	*
35–39	1.5	1.1–1.9	**
40–44	1.8	1.4–2.3	***
45–49	1.7	1.3–2.2	***
50+	1.8	1.5–2.3	***
All therapists and SLÁN 2007 sample (n = 6209)
Therapists (reference group: SLÁN population)	4.8	3.8–6.1	***

NS, not significant. *P ≤ 0.05, **P ≤ 0.01, ***P ≤ 0.001.