Table 1

Demographic and clinical variables, number (%), and median (minimum–maximum)

 Total N=151Physical activity N=151Dietary changes N=150
NPreaction n=88Action n=63Preaction n=119Action n=31
Demographic variables
Age, years15158 (20–80)57 (29–80)61 (20–79)58 (20–80)60 (29–78)
Gender, male15189 (59)49 (56)40 (64)73 (61)15 (48)
Education (years)*151
 <1283 (55)47 (53)36 (57)65 (55)17 (55)
 1217 (11)12 (14)5 (8)13 (11)4 (13)
 > 1251 (34)29 (33)22 (35)41 (34)10 (32)
Employment status†148
 Employed79 (53)43 (50)36 (58)66 (57)13 (42)
 Unemployed41 (28)27 (31)14 (23)27 (23)14 (45)
 Retired28 (19)16 (19)12 (19)23 (20)4 (13)
Cohabitation, cohabiting‡151110 (73)65 (74)45 (71)88 (74)21 (68)
Clinical variables
Duration of diabetes, years1389 (1–36)10 (1–34)8 (1–36)9 (1–34)11 (1–36)
HbA1c, %1517.9 (7.1–12.4)7.9 (7.1–12.4)7.8 (7.1–11.6)7.9 (7.1–12.4)7.7 (7.1–10.3)
HbA1c, mmol/mol15163 (54–112)63 (54–112)62 (54–103)63 (54–112)61 (54–89)
Systolic blood pressure, mm Hg120134 (100–182)130 (100–182)135 (100–182)134 (100–182)132 (100–159)
BMI, kg/m212931 (20–53)33 (24–53)§30 (20–53)§31 (20–53)30 (21–44)
 Normal¶13 (10)4 (6)9 (16)8 (8)5 (19)
 Overweight41 (32)21 (29)20 (35)32 (31)8 (31)
 Obese class I42 (33)25 (35)17 (30)34 (33)8 (31)
 Obese class II20 (16)12 (17)8 (14)18 (18)2 (8)
 Obese class III13 (10)10 (14)3 (5)10 (10)3 (12)
Comorbidities151
 024 (16)10 (11)14 (22)16 (13)8 (26)
 1–297 (64)56 (64)41 (65)81 (68)16 (52)
 3 or more30 (20)22 (25)8 (13)22 (19)7 (23)
Late complication–eye15119 (13)10 (11)9 (14)12 (10)7 (23)
Late complication–foot ulcer15123 (15)17 (19)6 (10)20 (17)3 (10)
Treatment variable
Medication regime131
 No medication9 (7)3 (4)6 (11)7 (7)2 (8)
 Oral agents only63 (48)41 (55)22 (39)54 (52)9 (35)
 Injections only**19 (15)10 (14)9 (16)13 (13)5 (19)
 Combination of oral agents and injections40 (31)20 (27)20 (35)30 (29)10 (39)
Self-monitoring of blood glucose, yes151142 (94)83 (94)59 (94)112 (94)29 (94)
  • *Education: some high school or less (<12 years), high-school graduate (12 years), or some college or more (>12 years).

  • †Employment status: employed (state employee, private employee, self-employed or part-time), unemployed (student, military duty, homemaker, unemployed, or unable to work), or retired.

  • ‡Cohabitation status: living alone: not married, divorced, separated or widowed, or cohabiting: married or living with someone.

  • §Significant difference between the groups, using Mann-Whitney, p<0.014.

  • ¶BMI classification: Normal 18.5–25, Overweight 25–30, Obese class I 30–35, Obese class II 35–40, and Obese Class III >40.

  • **Injections were both insulin and other blood glucose-lowering injections.

  • BMI, body mass index; HbA1c, glycated hemoglobin.