Work-related physical activity and psychological distress among women in different occupations: a cross-sectional study

Table 3 Associations between work-related walking and psychological distress stratified by occupation category

	B	95% CI	p
Professionals
Low walking (0.1–3.5 h p/week) vs. No walking	0.11	−0.65, 0.87	.768
High (> 3.5 h p/week) vs. No walking	0.03	−0.97, 1.02	.954
High (> 3.5 h p/week) vs. Low walking (0.1–3.5 h p/week)	− 0.08	− 1.01, 0.84	.857
Sales and Service
Low walking (0.1–3.5 h p/week) vs. No walking	0.29	−1.20, 1.79	.695
High (> 3.5 h p/week) vs. No walking	0.53	−1.05, 2.12	.500
High (> 3.5 h p/week) vs. Low walking (0.1–3.5 h p/week)	0.24	−1.07, 1.55	.713
Trades
Low walking (0.1–3.5 h p/week) vs. No walking	−3.81	− 6.47, − 1.14	.006
High (> 3.5 h p/week) vs. No walking	−3.23	−6.12, − 0.34	.029
High (> 3.5 h p/week) vs. Low walking (0.1–3.5 h p/week)	0.57	−2.40, 3.55	.698

Separate models were tested for each work-related physical activity measure (i.e., walking, moderate, vigorous, total). For rows one and two in each model, the reference category is the lowest PA category (i.e., no PA or low PA). For row three, the highest category is compared to the middle PA category. All models were adjusted for neighbourhood clustering as well as for age, BMI, education status, physical illness, and leisure-time physical activity

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