Table 3. Relations between non-work-related personal factors and musculoskeletal complaints.

		ULNMD location
		Neck (n=1,160)		Shoulder (n=881)		Elbow (n=246)		Wrist (n=520)
		n (%)	PR [95% CI]	n (%)	PR [95% CI]	n (%)	PR [95% CI]	n (%)	PR [95% CI]
Family situation	Single	203 (49.0)	1	140 (33.8)	1*	28 (6.8)	1**	186 (20.9)	1
	In couple	766 (51.0)	1.04 [0.93–1.16]	576 (38.6)	1.14 [0.98–1.32]	168 (11.3)	1.66 [1.133–2.44]	338 (22.7)	1.09 [0.89–1.34]
	Separated, divorced or widowed	182 (50.1)	1.02 [0.89–1.18]	157 (43.5)	1.29 [1.07–1.34]	49 (13.7)	2.01 [1.29–3.13]	93 (26.1)	1.25 [0.97–1.62]
Children	No children	271 (50.9)	1	182 (34.2)	1**	24 (4.5)	1****	114 (21.5)	1*
	No dependent children	216 (53.2)	1.04 [0.92–1.18]	183 (46.0)	1.34 [1.15–1.58]	71 (18.0)	3.97 [2.55–6.19]	110 (27.8)	1.30 [1.03–1.63]
	≥1 dependent child	671 (49.6)	0.97 [0.88–1.07]	514 (38.1)	1.11 [0.97–1.27]	151 (11.3)	2.49 [1.64–3.79]	295 (22.0)	1.30 [1.03–1.63]
BMI	<18.5	57 (51.3)	1*	34 (30.9)	1*	9 (8.3)	1	24 (22.0)	1
	18.5–24.99	653 (53.3)	0.96 [0.80–1.16]	45 (37.0)	0.84 [0.63–1.11]	122 (10.1)	0.82 [0.43–1.56]	268 (22.2)	0.99 [0.68–1.43]
	25–29.99	260 (47.4)	0.89 [0.80–0.99]	228 (41.9)	1.13 [1.00–1.28]	72 (13.3)	1.31 [0.99–1.72]	142 (26.0)	1.17 [0.98–1.39]
	≥30	136 (44.0)	0.83 [0.72–0.95]	132 (42.9)	1.16 [0.99–1.35]	29 (9.5)	0.94 [0.64–1.38]	67 (21.8)	0.98 [0.78–1.24]
Smoking	Non-smoker	513 (46.9)	1**	414 (38.0)	1	114 (10.6)	1	254 (23.5)	1
	Ex-smoker	158 (56.2)	1.19 [1.06–1.35]	119 (42.5)	1.12 [0.96–1.31]	37 (13.3)	1.26 [0.89–1.78]	67 (24.1)	1.02 [0.81–1.29]
	Smoker	477 (53.5)	1.14 [1.05–1.25]	327 (38.0)	0.99 [0.89–1.12]	92 (10.4)	0.99 [0.76–1.28]	193 (21.9)	0.93 [0.79–1.09]
Age	<30 yr	217 (46.8)	1	121 (26.2)	1****	21 (4.5)	1****	102 (22.0)	1*
	30–39 yr	254 (52.3)	1.12 [0.98–1.27]	168 (34.8)	1.33 [1.09–1.62]	23 (4.8)	1.05 [0.59–1.87]	100 (20.7)	0.94 [0.74–1.21]
	40–49 yr	388 (52.4)	1.12 [0.99–1.26]	296 (40.4)	1.54 [1.29–1.84]	104 (14.3	3.14 [1.99–4.94]	152 (20.9)	0.95 [0.76–1.19]
	≥50 yr	300 (49.8)	1.06 [0.94–1.21]	295 (48.9)	1.87 [1.57–2.22]	98 (16.7)	3.66 [2.32–5.78]	164 (27.7)	1.26 [1.02–1.56]
Educational level	≥3 yr’ HE	174 (54.2)	0.99 [0.76–1.29]	119 (37.1)	1.11 [0.80–1.55]	32 (10.1)	2.75 [1.16–6.49]	45 (14.2)	0.69 [0.43–1.14]
	2 yr’ HE – SLC	46 (52.3)	1	29 (33.3)	1	6 (6.9)	1	18 (20.4)	1
	Vocational certificate	543 (51.0)	1.04 [0.83–1.30]	440 (41.6)	1.25 [0.92–1.69]	114 (10.8)	1.47 [0.63–3.40]	261 (24.8)	1.21 [0.79–1.85]
	No certificate	61 (51.7)	1.04 [0.83–1.30]	49 (42.6)	1.28 [0.89–1.84]	22 (19.0)	1.57 [0.71–3.47]	35 (29.9)	1.46 [0.89–2.40]

HE: higher education; SLC: school leaving certificate (Baccalauréat). Prevalence Ratio (PR), Confidence Interval (CI). p significant * p<0.05;** p<0.01; *** p<0.001;**** p≤10⁻⁴