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. Author manuscript; available in PMC: 2012 Dec 1.
Published in final edited form as: J Health Soc Behav. 2011 Dec;52(4):404–429. doi: 10.1177/0022146511418979

Table 1.

Descriptive Statistics of Variables

Variable Wave 1
Change (Wave 2–Wave 1)
Reliability Change Index
Full Sample
(N = 659)
ROWE (n = 325) Non-ROWE
(n = 334)
Full Sample
(N = 659)
ROWE (n = 325) Non-ROWE
(n = 334)

M or % SD M or % SD M or % SD ROWE –
Non-
Rowe
M or % SD M or % SD M or % SD ROWE –
Non-Rowe
(Difference-
in-Difference)
Full
Sample
ROWE Non-
ROWE
Mediating Variables
 Schedule control 3.222 (.736) 3.411 (.731) 3.035 (.693) .376*** .205 (.707) .333 (.743) .082 (.649) .250*** 10.206 8.905 6.065
 Negative work–home spillover 2.916 (.651) 2.994 (.667) 2.838 (.626) .157** −.033 (.550) −.121 (.578) .052 (.508) −.174*** −3.835 −10.378 6.441
Outcome variables
 Health behaviors
  Hours of sleep before workday 6.723 (1.774) 6.441 (1.765) 6.994 (1.743) −.553*** .218 (1.553) .401 (1.618) −.175 (1.434) .576*** 2.664 4.522 −2.828
  Obligated to work when sick 2.553 (.782) 2.558 (.792) 2.549 (.774) .009 −.124 (.828) −.268 (.860) .016 (.772) −.284*** −2.400 −4.121 .455
  No doctor when busy 2.453 (.853) 2.475 (.839) 2.433 (.866) .042 −.101 (.862) −.185 (.846) −.019 (.871) −.166* −2.062 −3.916 −.395
  Exercise frequency 3.185 (1.241) 3.178 (1.229) 3.191 (1.255) −.014 −.153 (1.057) −.072 (1.069) −.232 (1.041) .159* −3.844 −1.672 −6.467
 Health and well-being measures
  Sleep quality 2.734 (.653) 2.701 (.634) 2.766 (.669) −.065 .040 (.683) .095 (.690) −.013 (.673) .108* 1.266 2.673 −.457
  Emotional exhaustion 3.694 (.980) 3.773 (.964) 3.618 (.991) .155* .137 (.870) .088 (.879) .185 (.859) −.098 4.894 2.947 7.010
  Personal mastery 4.816 (.799) 4.778 (.820) 4.852 (.779) −.074 −.011 (.660) .007 (.666) −.028 (.654) .035 −.848 .608 −2.130
  Pyschological distress 4.624 (3.619) 4.903 (3.824) 4.363 (.399) .540* −.069 (3.194) −.208 (3.348) .062 (3.041) −.270 −.208 −.610 .190
  Self-Reported health 3.711 (.835) 3.660 (.857) 3.760 (.812) −.100 −.073 (.699) −.082 (.681) −.064 (.717) −.018 −5.180 −7.113 −3.698
  Energy 3.557 (.872) 3.476 (.898) 3.636 (.840) −.160* −.057 (.784) .038 (.742) −.150 (.813) .188** −2.440 2.508 −4.494
Control variables
 Female (%) 48.4 48.3 48.5 −.2
 Age (%)
  Age 20–29 45.6 36.4 54.6 −18.2***
  Age 30–39 39.3 44.0 34.6 9.4*
  Age 40–60 15.1 19.5 10.8 8.8**
 Child (%) 34.9 40.3 29.6 10.7**
 Salaried (%) 95.4 97.7 93.1 4.5**
 Household Income 4.202 (1.517) 4.348 (1.484) 4.059 (1.537) 0.289*
 Tenure 4.306 (3.198) 4.716 (3.303) 3.902 (3.042) 0.814**
 Job level (%)
  Non-supervising employee 67.3 61.9 72.5 −10.6**
  Manager 19.4 20.5 18.3 2.2
  Senior manager and up 13.3 17.5 9.2 8.4**
 Works more than 50 hours per week (%) 41.2 40.5 41.9 −1.3
 Job demands 2.949 (.498) 2.989 (.487) 2.910 (.506) .080
 Decision authority 2.913 (.518) 2.922 (.525) 2.903 (.512) .019
 Skill discretion 2.921 (.456) 2.975 (.434) 2.866 (.470) .109**
 Manager support 3.543 (.914) 3.507 (.941) 3.579 (.887) −.072
 Organizational supportive culture 3.403 (.622) 3.342 (.622) 3.464 (.616) −.122*
 Life change within six months (%) 15.5 12.3 18.6 6.3*
 Job change within six months (%) 13.7 11.1 16.2 5.1

Note: ROWE = Results Only Work Environment. Dashes indicate non-applicability.

*

p < .05.

**

p < .01.

***

p < .001.