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Table 3 Clinical and laboratory measures for participants at baseline and 6 months. Data presented are arithmetic means (SDs) number (%), unless otherwise stated

From: The effectiveness of a primary care nursing-led dietary intervention for prediabetes: a mixed methods pilot study

 

Control (n = 66)

Intervention (n = 67)

Difference in mean changes in intervention group

 

Baseline

Mean (SD)

6 months

Mean (SD)

Baseline

Mean (SD)

6 months

Mean (SD)

Ratio (95% CI)

p-value

HbA1c (mmol/mol)

43.0 (2.2)

43.8 (6.2)

43.2 (2.2)

42.0 (3.6)

0.96 (0.92, 1.00)

0.096

Weight (kg)a

93.7 (15.1)

94.6 (15.5)

96.9 (21.5)

95.6 (23.8)

0.97 (0.95, 0.98)

< 0.001

BMI (kg/m2)b

33.0 (6.0)

33.3 (6.1)

35.1 (7.4)

34.5 (8.1)

 

Waist circumference (cm)

104.0 (17.9)

106.0 (12.2)

109.4 (15.2)

107.7 (16.3)

0.97 (0.94, 1.00)

0.101

Systolic blood pressure (mmHg)

132.7 (17.0)

135.0 (16.8)

133.0 (13.7)

131.2 (13.8)

0.97 (0.92, 1.05)

0.422

Diastolic blood pressure (mmHg)

81.2 (10.9)

80.3 (10.7)

79.6 (9.1)

79.2 (9.2)

1.00 (0.94, 1.04)

0.949

Total cholesterol (mmol/l)

5.3 (1.3)

5.2 (1.3)

5.3 (1.4)

5.2 (1.1)

1.00 (0.95 1.08)

0.933

HDL-cholesterol (mmol/l)

1.2 (0.3)

1.2 (0.4)

1.3 (0.5)

1.3 (0.5)

1.02 (0.96, 1.09)

0.595

Triglycerides (mmol/l)

2.4 (1.8)

2.4 (1.7)

2.1 (1.1)

2.2 (1.3)

0.95 (0.79, 1.24)

0.596

Alanine transaminase (IU/L)

33.7 (20.3)

33.4 (18.2)

28.5 (15.2)

26.0 (12.3)

0.91 (0.75, 1.03)

0.206

Aspartate aminotransferase (IU/L)

25.6 (10.3)

25.6 (11.3)

23.9 (7.5)

22.9 (9.7)

0.95 (0.73, 1.12)

0.649

Gamma glutamyl transpeptidase (IU/L)c

39.0 (31.5)

41.0 (33.0)

32.0 (61.0)

31.0 (53.0)

−4.00 (−8.19, 2.22)

0.369

Urate (mmol/l)

0.39 (0.11)

0.37 (0.09)

0.36 (0.07)

0.37 (0.08)

0.02 (−0.01, 0.25)

0.799

  1. Statistical comparisons are from linear regression models, except for GGT where a quantile regression model was used to model medians, adjusting for baseline values, sex, alcohol consumption, family history of T2DM, and ethnicity and adjusting standard errors for clustering within practices
  2. a6-month weight measurement was missing for one intervention participant. bRatio not analysed as weight was the preferred body mass outcome. cLog-transformed