Table 17 Cronbach’s α for scales assessed in the baseline and post-study surveys. α was not calculated for GATS or the PSQI as internal consistency is not necessary for reliability on these measures. N.A.: Not assessed.

From: TILES-2018, a longitudinal physiologic and behavioral data set of hospital workers

Variable

α validation

α baseline

α post-study

Life Satisfaction (SWLS)17

0.870

0.901

0.923

Perceived Stress (PSS)51

α ≤ 0.860

0.795

0.830

Psychological Flexibility (MPFI)19

Flexibility

0.900

0.914

0.949

Inflexibility

0.902

0.867

0.875

Work Related Acceptance (WAAQ)20

0.840

0.920

0.943

Engagement (UWES)21

 

0.913

0.927

Vigor

0.75 ≤ α ≤ 0.83

0.832

0.850

Dedication

0.86 ≤ α ≤ 0.90

0.865

0.900

Absorption

0.82 ≤ α ≤ 0.88

0.754

0.765

Psychological Capital (PCQ)22

 

0.899

0.934

Hope

0.84 ≤ α ≤ 0.86

0.808

0.890

Efficacy

N.A.

0.877

0.907

Resilience

0.770 ≤ α ≤ 0.780

0.751

0.787

Optimism

0.780 ≤ α ≤ 0.790

0.771

0.871

Stressors24

Challenge (CS)

0.920

0.818

0.871

Hindrance (HS)

0.830

0.781

0.839

Cognitive Ability52

Shipley Vocab (VOCAB)

α ≤ 0.800

0.820

N.A.

Shipley Abstract (ABS)

0.770 ≤ α ≤ 0.910

0.830

N.A.

Job Performance11

In-Role Behavior (IRB)

0.910

0.600

N.A.

Individual Task Proficiency (ITP)

0.830

0.860

N.A.

Organizational Citizenship Behaviors (OCB)10

0.890

0.890

N.A.

Counterproductive Work Behavior (IOD)9

Organizational Deviance (IOD_OD)

0.810

0.820

N.A.

Interpersonal Deviance (IOD_ID)

0.780

0.760

N.A.

Personality (BFI-2)13

Extraversion

0.880

0.810

N.A.

Agreeableness

0.830

0.690

N.A.

Conscientiousness

0.860

0.840

N.A.

Neuroticism

0.900

0.870

N.A.

Openness

0.840

0.750

N. A.

Affect (PANAS-X)14

Negative

0.700 ≤ α ≤ 0.940

0.850

N.A.

Positive

0.700 ≤ α ≤ 0.940

0.880

N.A.

Trait Anxiety (STAI)15

0.860 ≤ α ≤ 0.950

0.920

N.A.

Alcohol Use (AUDIT)53

0.810

0.650

N.A.

Physical Activity (IPAQ)

0.94

0.870

N.A.

Health (RAND)

0.92

N.A.

N.A.

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