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. 2019 Mar 20;9(3):e022695. doi: 10.1136/bmjopen-2018-022695

Table 2.

Independent t-tests comparing baseline well-being for those who dropped out of 1, 6 and 12-month follow-up assessments

Baseline Well-being Metric 1 month 6 months 12 months
M T M T M T
SD 95% CI SD 95% CI SD 95% CI
n n n
Emotional exhaustion†
 Retained 49.67 1.56 56.46 −1.57 52.42 0.25
27.46 (−9.86 to 1.14) 27.68 (−1.17 to 10.15) 27.73 (−6.35 to 4.90)
127 119 121
 Dropped out 54.03 51.97 53.15
27.53 27.49 27.53
400 408 406
Depression symptoms‡
 Retained 8.12 2.08* 9.42 −0.6 8.54 1.15
5.35 (−2.47 to −0.15) 5.93 (−0.88 to 1.68) 5.51 (−1.95 to 0.47)
115 106 108
 Dropped out 9.43 9.02 9.28
6.04 5.9 6
359 368 366
Subjective Happiness§
 Retained 5.28 −1.97* 5.04 0.81 5.25 −1.59
1 (0.01 to 0. 43) 1.17 (−0.32 to 0. 14) 1.07 (−0.04 to 0. 40)
127 119 121
 Dropped out 5.06 5.13 5.07
1.11 1.06 1.09
402 410 408
Work–life Balance¶
 Retained 2.17 2.09* 2.24 0.83 2.21 1.36
0.7 (−0.21 to −0.08) 0.63 (−0.19 to 0. 07) 0.69 (−0.23 to 0. 05)
126 118 120
 Dropped out 2.32 2.3 2.3
0.7 0.71 0.7
400 408 406

*P<0.05.

†Emotional exhaustion was assessed with a 5-item derivative of the emotion exhaustion subscale of the Maslach Burnout Inventory.

‡Depression symptoms were measured with the Center for Epidemiological Studies Depression Scale.

§Subjective Happiness Scale was assessed with Lyubomirsky and Lepper’s Subjective Happiness Scale.

¶Work–life balance was assessed with the work–life climate scale. Higher scores reflect higher levels of each construct, with the exception of work–life balance, in which case lower numbers reflect healthier work–life balance.