Table 4.

Association between pain/discomfort in the last 12 months and production processes, work history, and work organization among recyclable material collectors from cooperatives in metropolitan São Paulo, 2016

Variables	Pain/discomfort n (%)	OR	95%CI	p-value
Cooperative
A	39 (83)	6.66	2.78-16.67	< 0.001
B	45 (71)	3.45	1.67-7.14
C	50 (70)	3.33	1.64-6.67
D	29 (42)	1.00	Ref.	Ref.
Prior occupation
No	19 (46)	1.00	Ref.	Ref.
Yes	144 (69)	2.56	1.29-5.06	0.007
Prior occupational accident
No	93 (57)	1.00	Ref.	Ref.
Yes	70 (81)	3.34	1.78-6.23	< 0.001
Main work posture
Seated	10 (59)	1.00	Ref.	Ref.
Standing	145 (66)	1.35	0.49-3.69	0.778
Alternating	8 (61)	1.20	0.38-3.84	0.931
Physical effort at work
No	15 (65)	1.00	Ref.	Ref.
Yes	148 (65)	0.99	0.40-2.45	0.999
Monotony at work
No	19 (67)	1.00	Ref.	Ref.
Yes	144 (54)	1.72	0.83-3.57	0.150
Repetitiveness at work
No	25 (76)	1.00	Ref.	Ref.
Yes	138 (64)	1.81	0.77-4.17	0.161
Productivity count
No	59 (62)	1.00	Ref.	Ref.
Yes	104 (67)	1.25	0.73-2.14	0.413
Shift rotation
No	11 (65)	1.00	Ref.	Ref.
Yes	152 (67)	1.25	0.73-2.14	0.413
Rest breaks
No	19 (59)	1.00	Ref.	Ref.
Yes	144 (66)	1.33	0.62-2.84	0.463

OR = odds ratio.