Journal List > J Korean Acad Nurs > v.48(6) > 1111064

Kim and Choo: Effects of an Integrated Physical Activity Program for Physically Inactive Workers - Based on the PRECEDE-PROCEED Model -

Abstract

Purpose

We aimed to examine the effects of an integrated physical activity (PA) program developed for physically inactive workers on the theoretical basis of the PRECEDE-PROCEED model.

Methods

Participants were 268 workers in three departments of L manufacturing unit in South Korea. The three departments were randomly allocated into integration (n=86) (INT), education (n=94) (ED), and control (n=88) (CT) groups. The INT group received self-regulation, support, and policy-environmental strategies of a 12-week integrated PA program, the ED group received self-regulation strategies only, and the CT group did not receive any strategies. After 12 weeks, process evaluation was conducted by using the measures of self-regulation (autonomous vs. controlled regulation), autonomy support, and resource availability; impact evaluation by using PA measures of sitting time, PA expenditure, and compliance; and outcome evaluation by using the measures of cardiometabolic/musculoskeletal health and presenteeism.

Results

Among process measures, autonomous regulation did not differ by group, but significantly decreased in the CT group (p=.006). Among impact measures, PA compliance significantly increased in the INT group compared to the CT group (p=.003). Among outcome measures, the changes in cardiometabolic/musculoskeletal health and presenteeism did not differ by group; however, systolic blood pressure (p=.012) and a presenteeism variable (p=.041) significantly decreased only in the INT group.

Conclusion

The integrated PA program may have a significant effect on increases in PA compliance and significant tendencies toward improvements in a part of cardiometabolic health and presenteeism for physically inactive workers. Therefore, occupational health nurses may modify and use it as a workplace PA program.

References

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Figure 1.
Conceptual framework based on the PRECEDE-PROCEED model.
jkan-48-692f1.tif
Figure 2.
Flowchart for recruitment, randomization, and dropout.
jkan-48-692f2.tif
Table 1.
Contents of a 12 week-Integrated PA Program at the Intervention Alignment Phase
Strategies Components Contents Who intervened How intervened When intervened (week)
Self-regulation strategies Autonomy Addressing meaningful rationales: Influences and benefits of healthy PA on Health at the workplace Researcher - Lecture 1,5
- Discussion
Conveying options: - Practicum 1,5,9
- To choose appropriate alternatives to comply with the principles of PA
- To acknowledge barriers against healthy PA and to set up strategies to solve the barriers
Acknowledging conflicting feelings: To recognize participant's surrounding factors that disturb or help healthy PA 5,9
Encouraging change talk: To share behavioral changes in PA 5,9
Competence Setting appropriate goals for healthy PA 1
Enhancing self-efficacy: Self-monitoring training and knowledge & skill training for PA 1,5,9
Providing positive feedbacks on PA via daily PA records 5,9
Relatedness Exploring concerns of participants 1,5,9
Expressing empathy 1,5,9
Support strategies Autonomy support Choice: Supervisor’s choice of appropriate support and encouragement methods by freewill Department - Monitoring Weekly
Manager - Persuasion
Rationale: Supervisor's cultivation of meaningful rationales - Use of text messages and cards Weekly
Empathy: Supervisor’s empathy for understanding of feelings and opinions about realistic situations of the workers’ PA Weekly
Collaboration: Supervisor’s collaborative monitoring and action planning for daily PA records - Feedbacks Weekly
Strengths: Supervisor’s positive feedback on strengths for workers’ behavioral change Weekly
Policy-environmental strategies Building a supportive organizational climate Forming self-help groups using SNS Researcher - Advertising Weekly
Increasing educational opportunities at workplace via advertisements Department - Supporting physical environment for PA Weekly
Manager
Conducting competition contests, i.e., naming the BAND and evaluating PA compliance levels 1,5,9,12
Operating customized interventions during working hours: Time arrangement for workers’ PA 1,5,9
Establishing workplace policies for healthy PA: ‘At least 30 minutes of moderate to vigorous-intensity aerobic PA daily’ 1
Enhancing the availability of environmental resources Installing exercise equipments (e.g., yoga mats, elastic bands) and health-related leaflets/posters at the staff lounge 1,5,9

PA=Physical activity; SNS=Social network service.

Table 2.
Homogeneity of General Characteristics between Groups (N=268)
All Integration Education Control group
Characteristics (N=268) group (n=86) group (n=94) (n=88) F or χ2 p
n (%) or M±SD
Sociodemographic
  Age (yr) 31.17 (5.11) 30.65 (5.89) 32.31 (5.29) 30.47 (3.79) 3.68 .027
  Gender (women), yes 124 (46.3) 43 (50.0) 25 (26.6) 56 (63.6) 25.79 <.001
  Marital status (non-married), yes 130 (48.5) 44 (51.2) 45 (47.9) 41 (46.6) 0.39 .824
  Education (college educated), yes 141 (52.6) 49 (57.0) 52 (55.3) 40 (45.5) 2.74 .254
  Monthly household income (≥4,000,000 won), yes 87 (32.5) 28 (32.6) 29 (30.9) 30 (34.1) 0.22 .897
Health-related
  Current smoking, yes 69 (25.7) 18 (20.9) 39 (41.5) 12 (13.6) 19.98 <.001
  Alcohol drinking (≥1/month), yes 217 (81.0) 65 (75.6) 78 (83.0) 74 (84.1) 2.42 .298
  Self-rated health (≥good), yes 61 (22.8) 23 (26.7) 23 (24.5) 15 (17.0) 2.57 .227
Work-related
  Shift work, yes 262 (97.8) 84 (97.7) 91 (96.8) 87 (98.9) 0.88 .644
  Duration of employment, months 9.21 (3.53) 8.83 (2.99) 9.39 (4.02) 9.47 (3.46) 1.14 .320
  Weekly working hours 51.39 (7.96) 51.00 (7.84) 50.16 (9.25) 53.10 (6.19) 3.32 .038
  Work intensity 11.63 (3.86) 11.70 (3.86) 11.30 (3.69) 11.91 (4.06) 0.59 .555
  Break time during working, minutes 20.93 (8.10) 20.84 (9.02) 22.93 (9.14) 18.89 (4.88) 5.86 .003

SD=Standard deviation.

Analysis of Variance (or chi-square test) was conducted for testing homogeneity by group.

Table 3.
Effects of an Integrated PA Program on Outcome Variables (N=268)
Integration group (n=86) Education group (n=94) Control group (n=88) Homogeneity Changes by group
Phases Concepts Outcome variables Pretest Posttest Pretest Posttest Pretest Posttest F or χ2 p F or χ2 p
n (%) or M±SD n (%) or M±SD n (%) or M±SD
Process Predisposing factor Autonomous regulation 3.59 3.53 4.21 4.01 3.97 3.64 4.62 .011 0.75 .475
(1.40) (1.20) (1.36) (1.48) (1.38) (1.41)**
Controlled regulation 3.07 3.07 3.32 3.34 3.53 3.30 3.07 .047 0.50 .609
(1.28) (1.07) (1.26) (1.36) (1.15) (1.16)*
Reinforcing factor Autonomy support 4.88 4.77 4.91 4.80 4.86 4.55 0.06 .946 0.95 .387
(1.19) (1.27) (1.05) (1.05) (0.96) (0.96)**
Enabling factor Resource availability 3.54 3.47 3.38 3.20 3.41 3.36 1.31 .273 0.72 .490
(0.78) (0.70) (0.72) (0.64)* (0.70) (0.69)
Impact PA Sitting on workday 495.55 495.58 405.11 426.37 521.55 521.53 13.50 <.001 1.14 .320
(168.78) (173.75) (163.55) (173.25) (144.21) (162.92)
(min/day)
Sitting on non-workday 461.88 404.12 398.67 410.74 398.78 378.58 2.64 .073 1.15 .097
(232.52) (189.12)* (177.99) (226.71) (216.20) (194.50)
(min/day)
PA expenditure 3035.20 2586.07 4564.03 3546.38 1927.75 1520.50 9.89 <.001 1.25 .288
(MET-min/week) (3368.18) (3358.42) (5522.09) (3978.22)* (2350.64) (2361.69)
PA compliance 139.0 ( 62.58) 141.1 ( 71.68)†† 114.9 ( (71.63) 5.89 .003
(%)
Outcome Cardiometabolic health BMI (kg/m2) c 22.79 22.79 23.53 23.72 23.62 23.84 1.51 .222 2.73 .067
(3.43) (3.59) (3.09) (3.19)* (3.87) (3.91)*
WC (cm) 76.90 76.53 79.92 79.90 78.62 78.47 1.87 .156 0.29 .750
(11.32) (11.02) (9.65) (9.83) (10.47) (10.30)
SBP (mmHg) 125.38 122.80 128.34 127.54 124.62 122.74 1.80 .167 0.92 .402
(13.87) (13.05)* (14.45) (14.01) (13.58) (14.17)
FBS (mg/dl) 97.06 101.49 98.39 103.66 96.73 101.64 0.74 .478 0.25 .779
(9.93) (10.48)* (11.90) (10.76)* (6.76) (9.30)*
TC (mg/dl) 186.54 194.36 196.18 207.13 195.13 197.66 0.32 .729 2.51 .083
(36.13) (37.93)* (31.06) (35.52)* (35.04) (31.54)
Musculoskeletal health WMSD (yes) 21 18 19 16 20 18 0.47 .792 0.74 .691
(24.4) (20.9) (20.2) (17.0) (22.7) (20.5)
Presenteeism Primary health problems (yes) 64 54 62 53 59 57 1.75 .418 1.62 .446
(74.4) (62.8)* (66.0) (56.4) (67.0) (64.8)
Work impairment 36.44 33.01 28.22 28.31 33.64 34.57 4.75 .010 0.64 .527
(14.78) (16.72) (14.82) (17.40) (16.03) (17.70)

BMI=Body mass index; FBS=Fasting blood sugar; M=Mean; MET=Metabolic equivalent of task; PA=Physical activity; SBP=Systolic blood pressure SD=Standard deviation; TC=Total cholesterol; WC=Waist circumference; WMSD=Work-related musculoskeletal disorders.

integration vs control (p<.05) and ††education vs control (p<.05); paired t-test or McNemar test was conducted for testing significant changes within each group (*p<.05, **p<.01).

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