Table 1.

Characteristics of Participating Nurses by Location ^ab

	São Paulo (n = 193)		Milan/Varese (n = 558)		Total (n = 751)
Characteristic	N	%	N	%	N	%
Sex
Female	169	87.6	464	83.2	633	84.3
Male	22	11.4	90	16.1	112	14.9
Missing	2	1.0	4	0.7	6	0.8
		P = 0.1
Age
19-29	30	15.5	93	16.7	123	16.4
30-39	46	23.8	185	33.2	231	30.8
40-49	81	42.0	174	31.2	255	34.0
≥ 50	32	16.6	81	14.5	113	15.1
Missing	4	2.1	25	4.5	29	3.9
		p = 0.04
Job duration
1-5 years	21	10.9	113	20.3	134	17.8
> 5 years	172	89.1	445	79.8	617	82.2
		p = 0.003
Hours worked per week
≤ 38 hours	148	76.7	395	70.8	543	72.3
> 38 hours	36	18.7	144	25.8	180	24.0
Missing	9	4.7	19	3.4	28	3.7
		p = 0.05
Lifting weights of ≥ 25kg by hand
No	97	50.3	205	36.7	302	40.2
Yes	94	48.7	342	61.3	436	58.1
Missing	2	1.0	11	2.0	13	1.7
		p = 0.001
Work with hands above shoulder ≥ 1h
No	167	86.5	409	73.3	576	76.7
Yes	23	11.9	138	24.7	161	21.4
Missing	3	1.6	11	2.0	14	1.9
		p < 0.001
Job satisfaction
Satisfied	178	92.2	461	82.6	639	85.1
Dissatisfied	15	7.8	94	16.9	109	14.5
Missing	0	0.0	3	0.5	3	0.4
		p = 0.002
Somatizing tendency c
0	92	47.7	245	43.9	337	44.9
1	40	20.7	108	19.4	148	19.7
≥ 2	58	30.1	199	35.7	257	34.2
Missing	3	1.6	6	1.1	9	1.2
		p = 0.2
Mental health
Good	62	32.1	242	43.4	304	40.5
Intermediate	49	25.4	163	29.2	212	28.2
Poor	78	40.4	142	25.5	220	29.3
Missing	4	2.1	11	2.0	15	2.0
		p = 0.0002

^ap = chi-squared test after excluding subjects without available information; for ordinal variables, Mann-Whitney U test was performed.

^bPercentages may not add to 100.0 because of rounding.

^cNumber of symptoms in past week causing at least moderate concern.