Table 4.
HbA1c regressed on study factors by multi-adjusteda linear regression analysis
| Prediabetes or normal blood glucose (n = 840) | Type 2 diabetes (n = 243) | |||||
|---|---|---|---|---|---|---|
| Study factors | b (standard error) | Standardized β | b (standard error) | Standardized β | ||
| Age at index event per year | 0.006 (0.001) | 0.157 | p < 0.001 | |||
| Ethnic minority background | NS | 1.06 (0.370) | 0.193 | p = 0.005 | ||
| Non-participation in cardiac rehabilitation | 0.074 (0.027) | 0.106 | p = 0.005 | NS | ||
| Waist circumference per 1.0 cm | 0.003 (0.001) | 0.131 | p < 0.001 | NS | ||
| Current smoking | 0.157 (0.033) | 0.177 | p < 0.001 | NS | ||
| Blood pressure ≥ 140/90 (80 in diabetes) mmHg | 0.056 (0.027) | 0.079 | p = 0.037 | NS | ||
| Low self-report drug adherenceb | NS | 0.668 (0.265) | 0.168 | p = 0.012 | ||
NS not significant
Unstandardized (b) and standardized (β) regression coefficients. aAdjusted for all variables with p ≤ 0.10 retained in backward elimination linear regression analysis
bScores: > 2 on the Morisky 8-item medication adherence questionnaire indicating low adherence