Research Article

Low Levels of Usual Physical Activity Are Associated with Higher 24 h Blood Pressure in Type 2 Diabetes Mellitus in a Cross-Sectional Study

Table 1

Clinical profile of the sample, stratified by step count tertiles.

VariablesTertiles (steps/day)
1st (<4873)2nd (4873–7113)3rd (≥7114)

Age (years)63 ± 8.761.6 ± 8.958.2 ± 7.30.013
Diabetes duration (years)13.8 ± 8.515.1 ± 8.413.5 ± 8.30.595
Male sex15 (30)19 (38)20 (39.2)0.578
White ethnicity37 (74)41 (82)39 (76.5)0.913
Current smoking8 (16)9 (18)3 (5.9)0.308
Living with a partner22 (44)30 (60)27 (52.9)0.506
Education (years)8.4 ± 4.48.8 ± 4.39.5 ± 50.342
Hypertension46 (92)45 (90)48 (94.1)0.746
BMI (kg/m2)30.2 ± 4.329.7 ± 4.929.5 ± 4.70.709
Antihypertensive agents2.1 ± 1.21.9 ± 1.22.18 ± 1.10.435
Diabetes management0.907
Diet alone0 (0)1 (2)1 (2)
Oral agents24 (48)24 (48)26 (51)
Insulin alone4 (8)2 (4)2 (3.9)
Oral agents and insulin22 (44)23 (46)22 (43.1)
Retinopathy9 (27)13 (35)15 (40)0.248
Nephropathy15 (30.1)20 (42.5)20 (48.8)0.171
Cardiovascular disease8 (17)5 (10)6 (12.2)0.494
Fasting glucose (mg/dL)177.6 ± 67.5172.6 ± 87.1153.2 ± 540.190
HbA1c (%) (mmol/mol)8.6 ± 1.9 (70)8.9 ± 2.2 (74)7.8 ± 1.7 (62)0.008
Total cholesterol (mg/dL)172.5 ± 38.3174.3 ± 45.9176.6 ± 39.80.885
LDL cholesterol (mg/dL)90 ± 3794 ± 3596 ± 330.423
HDL cholesterol (mg/dL)40 ± 1244 ± 1345 ± 140.192
Triglycerides (mg/dL)171 (106–232)139 (97–214)150 (80–228)0.445
Creatinine (mg/dL)0.8 ± 0.20.9 ± 0.40.8 ± 0.20.260

1st versus 3rd tertile; 2nd versus 3rd tertile. Continuous variables are expressed as means ± SD or medians and interquartile ranges, and categorical variables are expressed as absolute (n) and relative frequencies (%).