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Table 7 Difference in distribution of one year registered sickness-absence net days (n-days) > 14 days by reporting high or low physical work demand exposure

From: Important work demands for reducing sickness absence among workers with neck or upper back pain: a prospective cohort study

 Work demand exposure
LowHigh
NMean n-daysNMean n-daysP*
Lifting ≥15 kg
 WAS 10 Excellent1344653410< 0.01
 WAS 8–9 Good10388522120.06
 WAS 6–7 Moderate41514298140.10
 WAS 1–5 Poor17936103290.83
Twisted work posture
 WAS 10 Excellent1423644690.41
 WAS 8–9 Good1173937213< 0.01
 WAS 6–7 Moderate4691123417< 0.05
 WAS 1–5 Poor2063772220.43
Handheld vibrating tools
 WAS 10 Excellent1763711180.50
 WAS 8–9 Good14429111120.56
 WAS 6–7 Moderate6501459110.19
 WAS 1–5 Poor2613219450.63
Leaning forward without support
 WAS 10 Excellent142664449< 0.01
 WAS 8–9 Good1146840314< 0.01
 WAS 6–7 Moderate47413232150.16
 WAS 1–5 Poor1933388320.87
Hands at shoulder level or higher
 WAS 10 Excellent1607726570.40
 WAS 8–9 Good131510237100.18
 WAS 6–7 Moderate56216143100.19
 WAS 1–5 Poor2183363330.84
Whole-body vibration
 WAS 10 Excellent1776799110.29
 WAS 8–9 Good14519105170.43
 WAS 6–7 Moderate6561455110.93
 WAS 1–5 Poor2673013940.31
Frequent trunk rotations
 WAS 10 Excellent105758179< 0.05
 WAS 8–9 Good7978760110.08
 WAS 6–7 Moderate31210397160.07
 WAS 1–5 Poor11133170330.90
Repetitive movements
 WAS 10 Excellent1241762160.42
 WAS 8–9 Good9888559100.41
 WAS 6–7 Moderate42113282140.53
 WAS 1–5 Poor16231117360.20
Seated work
 WAS 10 Excellent712911595< 0.01
 WAS 8–9 Good688128727< 0.01
 WAS 6–7 Moderate36713343140.82
 WAS 1–5 Poor15426125420.18
  1. Four thousand five hundred sixty-seven workers with self-reported neck or upper back pain by Work Ability Score (WAS). Mean number of n-days for description only. P values indicate the difference in distribution of sick days between reporting high or low exposure. Wilcoxon Rank Sum Test * = two tailed; bold numbers indicate a statistically significant difference. N = number of workers