The Effectiveness of an Electronic-Mail Campaign to Modify Stress Levels, Mood States, and Coping Techniques Among Employed Adults Page: 45
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There was a low- moderate attrition rate among the treatment and control groups, with 99
individuals (72.26% of the original sample of 137) completing both the pre- and post-
intervention surveys. Some individuals were unable to complete the program or surveys due to
losing or quitting their jobs (7), difficulty completing the surveys (2), not having time to devote
to the intervention (2), or for undisclosed reasons (27). At the time of the data analysis, 46
individuals remained in the treatment group (68.66% of original group) and 53 in the control
group (75.71% of the original group). Of the remaining 53 individuals in the control group, only
20 (37.74%) completed the second set of post-intervention surveys after participating in the
stress management program. Due to the low response rate for the control group, their post-
intervention data was not analyzed or reported in this study.
Treatment effects were examined using multivariate analyses of covariance
(MANCOVA) of post-intervention stress levels, with pre-intervention scores as the covariates.
See Table 2 for the intercorrelations for the pre- and post- intervention scores for all variables.
The overall group effect regarding frequency and intensity of perceived stress, daily hassles, and
daily work hassles after the intervention was not significant [F (5, 86) = 0.95, p = .45]. In other
words, the individuals who received the stress management messages perceived the same amount
of stressors and irritants after the intervention as did individuals who did not receive the
messages. The effect size was small (R2 = .052) and the observed power was inadequate (B=
.33) to detect a statistical effect. See Table 3 for the average post- intervention stressor and
hassles scores for the treatment and control groups.
Treatment effects on emotional side effects of chronic stress were also examined using
MANCOVA. The overall group effect after the intervention approached significance [F (3, 92)
= 2.44, p = .07], indicating that the treatment group demonstrated some emotional benefits after45
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Hoke, Cassandra N. The Effectiveness of an Electronic-Mail Campaign to Modify Stress Levels, Mood States, and Coping Techniques Among Employed Adults, dissertation, August 2003; Denton, Texas. (https://digital.library.unt.edu/ark:/67531/metadc4262/m1/50/?rotate=180: accessed July 17, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; .