A comparison of the effect of two intervention regimes on coronary prone executives in the South African colliery industry
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Corporate environment presently realises the importance of health promotion strategies to ensure health and productivity. In this pre-test-post-test quasi-experimental study, the effect of two intervention strategies (physical fitness and an enriched physical fitness programme) of 32 weeks on coronary prone colliery executives from six collieries in South Africa were studied. High risk executives volunteered to participate (availability sampling) resulting in a total of 143 participants (Group A: n = 77; Group B: n = 66). A reduction in six coronary risk factors was used to indicate the effectiveness of the intervention. The results of individuals presenting one or more coronary risk factors are reported. Statistical analysis indicated that significant improvement was noted in many primary risk factors in the intra-group analysis. Regarding the inter-group changes no statistical differences occurred except for diastolic blood pressure in the pre-test. It was concluded that none of the two intervention regimes were superior to one another.