Objective  To investigate the correlation between glycosylated hemoglobin (HbA1c) level, insulin resistance index (HOMA-IR), complications and psychological control sources in patients with type 2 diabetes mellitus (T2DM).

Methods  130 patients with T2DM from Luohe Central Hospital were selected as subjects, HbA1c levels of patients were detected, fasting blood glucose and fasting insulin were used to calculate HOMA-IR, complica-tions were evaluated, and Multidimensional Health Locus of Control Scale (MHLC) was used to investigate patients’ state of psychological locus of control. The MHLC scale scores of patients with different HbA1c levels, different HOMA-IR levels and different complications were compared and analyzed.

Results  Internality Health Locus of Con-trol Scale (IHLC) score of T2DM patients was lower than the norm (P<0.05), but Powerful Others Health Locus of Con-trol Scale (PHLC) score and Chance Health Locus of Control Scale (CHLC) score were higher than the norm (P<0.05). IHLC Scale scores were significantly decreased with the increase of HbA1c, HOMA-IR and complications (P<0.05). PHLC scale and CHLC scale scores were significantly increased with the increase of HbA1c, HOMA-IR and complications(P<0.05).

Conclusion  With the increase of HbA1c, HOMA-IR levels and the complications in T2DM patients, their internal control and management ability of the disease decrease, and they are more inclined to external health authorities and opportunities. Clinically, the regulation of HbA1c and HOMA-IR levels in T2DM patients and the prevention and intervention of complications can promote the establishment of healthy psychological behaviors in patients and prevent the progression of disease caused by adverse social psychological factors.

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