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Table 2 Comparison of the ERI and PSQI measures between doctors and nurses

From: Evaluation of the correlation between effort-reward imbalance and sleep quality among community health workers

Characteristics Doctors Nurses t P
M ± SD M ± SD
Effort (scores) 19.31 ± 3.34 18.19 ± 3.03 14.427 0.000
Reward (scores) 29.37 ± 2.93 30.09 ± 2.39 8.451 0.004
Overcommitment (scores) 17.28 ± 2.30 16.75 ± 2.23 6.472 0.011
ERI ratio 1.22 ± 0.24 1.11 ± 0.18 28.627 0.000
PSQI scores 8.79 ± 3.48 8.19 ± 3.24 3.717 0.054