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Table 1 Baseline characteristics of control (CON), standard intervention (INT), and intervention with diabetes prevention mentors (INT-DPM) arms

From: Effects of the Norfolk diabetes prevention lifestyle intervention (NDPS) on glycaemic control in screen-detected type 2 diabetes: a randomised controlled trial

 

CON

INT

INT-DPM

n

 

n

 

n

 

Age (years)

149

63.5 (10.0)

142

64.6 (10.1)

141

64.1 (9.9)

Sex (n; %)

 Male

149

63 (42.3%)

142

61 (43.0 %)

141

57 (40.4%)

 Female

 

86 (57.7%)

 

81 (57.0%)

 

84 (59.6%)

Family history type 2 diabetes (n; %)

149

73 (49.0 %)

142

58 (40.8%)

141

63 (44.7%)

Ethnicity

 White

148

91.9

140

96.4

141

92.9

 South Asian

1.4

1.4

3.5

 Black

1.4

1.4

1.4

 Others (%)

5.4

0.7

2.1

Family history cardiovascular disease (n; %)

 

13 (8.7)

 

22 (15.5)

 

25 (17.7)

Social deprivation scorea

149

16.8 (10.6)

142

17.2 (13.7)

141

16.3 (9.5)

Weight (kg)

149

93.3 (19.3)

142

93.0 (17.4)

141

93.7 (19.7)

Body mass index (kg/m2)

149

32.4 (6.4)

142

32.4 (5.4)

141

32.8 (6.4)

Waist circumference (cm)

149

108.6 (14.2)

142

108.5(12.5)

141

109.1 (14.2)

Body fat mass (kg)b

142

35.9 (9.6)

139

36.5 (9.1)

138

36.2 (8.7)

Visceral fat scoreb

142

15.2 (5.2)

139

15.4 (4.6)

138

16.0 (5.7)

HbA1c (mmol/mol)

149

52.5 (10.2)

142

52.7 (11.3)

141

51.1 (8.1)

HbA1c < 58 mmol/mol (n; %)c

149

129 (86.6%)

142

124 (87.3%)

141

129 (91.5%)

HbA1c < 86 mmol/mol (n; %)c

149

147 (98.7%)

142

136 (95.8%)

141

139 (98.6%)

Fasting plasma glucose (mmol/l)

149

7.2 (1.7)

142

7.3 (1.8)

141

7.1 (1.4)

Fasting HDL cholesterol (mmol/l)

140

1.26 (0.3)

136

1.22 (0.3)

139

1.23 (0.36)

Fasting LDL cholesterol (mmol/l)

136

3.2 (1.1)

135

3.1 (1.0)

136

3.1 (1.1)

Fasting plasma insulin (pmol/l)

142

106.3 (65.6)

133

137.1 (107)

138

124.3 (87.1)

HOMA insulin sensitivity (%)d

141

70.4 (54.3)

131

55.9 (38.8)

137

59.3 (39.5)

HOMA beta cell function (%)d

141

77.2 (36.8)

131

93.3 (57.6)

137

88.6 (48.3)

Physical activity: MET minutes per weeke

97

2523 (2590)

97

2786 (2861)

96

2786 (2912)

Physical activity: minutes sitting per weeke

107

445 (258)

106

527 (336)

99

473 (265)

Dietary fibre intake scalef

112

2.46 (0.37)

116

2.40 (0.38)

111

2.41 (0.38)

Dietary fat scalef

114

2.32 (0.32)

116

2.33 (0.31)

111

2.38 (0.28)

ADD QoLg

106

1.41 (0.94)

108

1.17 (1.1)

100

1.1 (1.01)

W-BQ12g

106

25.8 (5.7)

102

23.6 (7.5)

98

22.7 (7.7)

EQ-5Df

111

0.84 (0.18)

112

0.82 (0.23)

108

0.75 (0.27)

  1. Data are shown as mean and standard deviation (SD) for continuous variables or as n (%) for categorical variables. n columns show the data available for each variable for each group. aIMD Index of Multiple Deprivation mean score. bBody fat by Tanita body composition analyser. cQuality and Outcomes Framework (QOF) glycaemic attainment. dHomeostasis model assessment (HOMA) of baseline insulin sensitivity (S) and beta cell function (B) expressed as percentage of standard reference range. ePhysical activity scales derived from international physical activity questionnaire IPAQ. f Dietary fat and fibre scores based on self-reported Diet Behaviour Questionnaire (DBQ)—higher scale score indicates lower fat intake. gWell-being score (WBQ-12) questionnaire, health-related quality of life score (EQ-5D) questionnaire, and Audit of Diabetes-Dependent Quality of Life (ADDQoL)