Table 3. Associations and correlations between sociodemographic characteristics, clinical variables, Short Assessment of Health Literacy for Portuguese-speaking Adults score and glycated hemoglobin values.
| Characteristics | Mean HbA1c (SD) | Pearson's correlation coefficient | p value | |
|---|---|---|---|---|
| Age | -0.148 | 0.057 * | ||
| Sex | 0.939 † | |||
| Female | 8.5 (1.5) | |||
| Male | 8.5 (1.2) | |||
| Race | 0.876 † | |||
| White | 8.5 (1.8) | |||
| Others | 8.5 (1.3) | |||
| Labor | 0.076 † | |||
| Manual | 8.7 (1.5) | |||
| Not manual | 8.3 (1.2) | |||
| BCEC (1 MD) | -0,.136 | 0.080 * | ||
| Schooling, years | -0.058 | 0.455 * | ||
| Marital status | 0.733 † | |||
| Married or in stable relationship | 8.5 (1.2) | |||
| Others | 8.4 (1.6) | |||
| Social support according to MOS | -0.063 | 0.080 * | ||
| Disease duration, years | 0.081 | 0.455 * | ||
| Need for help with medication | 0.342 † | |||
| No | 8.4 (1.3) | |||
| Yes | 8.7 (1.5) | |||
| Insulin use | ||||
| No | 7.8 (0.9) | <0.001 † | ||
| Yes | 8.7 (1.5) | |||
| Diabetes knowledge according to SKILLD | -0.090 | 0.248 * | ||
| Adherence to diabetes medication | 0.746 † | |||
| No | 8.5 (1.4) | |||
| Yes | 8.5 (1.4) | |||
| MRCI | 0.317 | <0.001 * | ||
| Symptoms of depression according to GDS 15 >5 | 0.016 † | |||
| Not depressed | 8.3 (1.3) | |||
| Depressed | 8.9 (1.4) | |||
| BMI, kg/m2 (6 MD) | 0.192 | 0.015 * | ||
| SAHLPA | -0.121 | 0.120 * | ||
*
Pearson's correlation test;
†
Student´s t test to compare means between two groups.
HbA1c: glycated hemoglobin; SD: standard deviation; BCEC: Brazilian Criteria of Economic Classification; MD: missing data; MOS: Medical Outcomes Study; SKILLD: Spoken Knowledge in Low Literacy Patients with Diabetes; MRCI: Medication Regimen Complexity Index; GDS: Geriatric Depression Scale ; BMI: body mass index; SAHLPA: Short Assessment of Health Literacy for Portuguese-speaking Adults.