Comparison 1. Sit‐stand desk versus no intervention.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Mean difference in low back pain follow‐up short‐term	2	79	Std. Mean Difference (Random, 95% CI)	‐0.35 [‐0.80, 0.10]
2 Mean difference in upper back pain follow‐up short‐term	2	71	Std. Mean Difference (Random, 95% CI)	‐0.48 [‐0.96, 0.00]
3 Mean difference in neck and shoulder pain/discomfort follow‐up short‐term	1		Mean Difference (Random, 95% CI)	Totals not selected
4 Mean difference in physical disability caused by LBP, RMDQ score follow‐up short‐term	1		Mean Difference (Fixed, 95% CI)	Totals not selected
5 Proportion of participants with low back pain follow‐up short‐term (CBA)	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
6 Proportion of participants with upper back pain follow‐up short‐term (CBA)	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
7 Proportion of participants with neck pain follow‐up short‐term (CBA)	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
8 Proportion of participants with shoulder pain follow‐up short‐term (CBA)	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
9 Proportion of participants with wrist/hand pain follow‐up short‐term (CBA)	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
10 Proportion of participants with hip pain follow‐up short‐term (CBA)	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected