Research Article

Treatment Adherence and Its Associated Factors in Patients with Type 2 Diabetes: Results from the Rio de Janeiro Type 2 Diabetes Cohort Study

Table 2

Characteristics of all patients and according to general adherence (5 or more days per week in all items of the SDSCA questionnaire, except in exercise).

CharacteristicsAll patients
()
Adherent patients
()
Nonadherent patients
()
value

Age (years)65 (10.7)64 (11.7)65 (10.5)0.29
Diabetes duration (years)8 (3–15)8 (3–15)8 (3–15)0.94
Gender, female (%)63.963.664.90.82
Schooling years, ≥8 years (%)25.524.927.50.59
Social security situation (% of retirement)3843.636.60.69
Marital status (% of married)64.170.162.60.48
Body mass index (kg/m2)29.8 (4.7)28.7 (4.1)30.1 (4.8)0.005
Diabetes treatment (%)
 Metformin86.886.686.90.95
 Sulfonylureas20.821.520.60.86
 Insulin68.467.768.50.89
Chronic diabetic complications (%)
 Retinopathy31.034.830.10.38
 Nephropathy28.228.028.20.96
 Peripheral neuropathy27.424.528.20.47
 Cerebrovascular disease6.57.46.30.68
 Coronary artery disease14.716.014.40.70
 Peripheral arterial disease13.512.617.00.26
Arterial hypertension (%)85.381.986.10.30
 SBP (mmHg)139 (18)139 (20)138 (18)0.81
 DBP (mmHg)76 (11)75 (11)76 (11)0.34
Dyslipidemia (%)87.685.188.20.41
Laboratory variables
 HbA1c (%) (mmol/mol)7.9 (1.6)7.9 (1.6)7.9 (1.7)0.98
63 (15.6)63 (15.6)63 (15.7)
 LDL cholesterol (mmol/L)2.46 (0.78)2.45 (0.69)2.46 (0.81)0.92
 HDL cholesterol (mmol/L)1.19 (0.36)1.27 (0.36)1.17 (0.35)0.007
 Triacylglycerol (mmol/L)1.46 (1.07–2.04)1.29 (0.97–1.73)1.50 (1.11–2.13)0.003
Domains of quality of life (SF-36)
 Functional capacity49 (31.5)56 (32.3)47 (31.1)0.011
 Emotional58 (45.6)68 (43.3)55 (46.0)0.014
 Pain51 (30.3)56 (30.8)49 (30.1)0.041
Occupational performance (COPM)4.6 (1.9)5.2 (2.0)4.4 (1.9)0.001
Satisfaction in the performance of activities (COPM)4.3 (2.3)4.8 (2.5)4.2 (2.2)0.035
Limitations/pain (%)
 In the upper limb52.337.256.00.001
 In the lower limb60.347.963.40.006
 In the spine54.854.355.00.90

Values are the proportions, means (standard deviations), or medians (interquartile range). Abbreviations: SBP, systolic blood pressure; DBP, diastolic blood pressure; HbA1c, glycated hemoglobin; HDL, high-density lipoprotein; LDL, low-density lipoprotein; COPM, Canadian Occupational Performance Measure.