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Table 2 Characteristics of the simulated population

From: The cost-effectiveness of hospital-based telephone coaching for people with type 2 diabetes: a 10 year modelling analysis

   Intervention group, n = 47 Control group, n = 47 Total, n = 94 P-value
Demographic characteristics
 Ethnicity, n (%) Caucasian 46 (98) 37 (79) 83 (88) 0.02
Afro-Caribbean 0 (2) 2 (4) 2 (2)
Asian/Indian 1 (2) 8 (17) 9 (10)
 Gender, n (%) Male 34 (72 %) 30 (64 %) 64 (68) 0.51
Female 13 (28 %) 17 (36 %) 30 (32)
 Age at diagnosis (years)   47 (44–50) 50 (47–53) 48 (46–51) 0.13
 Diabetes duration (years)   13 (10–15) 13 (11–16) 13 (11–15) 0.75
Risk factor values at diagnosis of T2DM
 AF, n (%)   1 (2) 0 (0) 1 (2) 1.00
 Peripheral vascular disease n (%)   0 (0) 2 (4) 2 (4) 0.5
 Smoking n (%) Current smoker 18 (38) 17 (36) 35 (37) 0.57
Never smoker 21 (45) 25 (53) 46 (49)
Ex-smoker 8 (17) 5 (11) 13 (14)
 Cholesterol (mmol/l)   4.1 (3.9–4.4) 4.5 (4.1–4.9) 4.3 (4.0–4.5) 0.15
 High density lipoprotein (mmol/l)   1.1 (1.0–1.2) 1.2 (1.1–1.2) 1.1 (1.1–1.2) 0.42
 Systolic blood pressure (mmHg)   140 (134–145) 134 (128–140) 137 (133–141) 0.13
 HbA1c (%)   8.2 (8.0–9.7) 8.5 (8.1–8.9) 8.3 (8.1–8.6) 0.18
Risk factor values at entry into the model (6 months in the DTCS)
 Smoking, n (%) Current smoker 5 (11) 8 (17) 13 (14) 0.3
Never smoker 21 (45) 25 (53) 46 (49)
Ex-smoker 21 (45) 14 (29) 35 (37)
 Cholesterol (mmol/l)   4.0 (3.8–4.3) 4.5 (4.0–4.9) 4.3 (4.0–4.5) 0.07
 High density lipoprotein (mmol/l)   1.1 (1.0–1.1) 1.2 (1.1–1.2) 1.1 (1.1–1.2) 0.12
 Systolic blood pressure (mmHg)   133 (128–138) 132 (127–138) 133 (129–136) 0.9
 HbA1C (%)   7.8 (7.4–8.1) 8.7 (8.2–9.2) 8.2 (7.9–8.5) 0.003
Years since pre-existing event
 CHD (excluding MI)   0.8 (0.0–1.6) 1.3 (0.2–2.4) 1.1 (0.4–1.7) 0.45
 CHF   0.1 (0.0–0.3) 0.3 (0.0–0.6) 0.2 (0.0–0.4) 0.32
 Amputation   0.1 (0.0–0.2) 0.0 (0.0–0.1) 0.1 (0.0–0.1) 0.4
 Blindness   0.5 (0.0–1.1) 0.1 (0.0–0.3) 0.3 (0.0–0.6) 0.15
 Renal failure   0.2 (0.2–0.6) 0.3 (0.0–0.5) 0.3 (0.0–0.5) 0.71
 Stroke   0.0 (0.0–0.1) 1.3 (0.2–2.4) 0.7 (0.1–1.2) 0.03
 MI   1.2 (0.3–2.2) 2.7 (0.4–5.0) 1.9 (0.7–3.2) 0.25
  1. All results presented as mean (95 % CI) unless otherwise specified. P values in bold < 0.05 and considered statistically significant