Abstract
Background Pedometer-based physical activity programs
have been typically delivered in a group format by a
behavioral expert. An alternative strategy that builds on
existing interactions is delivery through individual consultation
by a general practitioner (GP). These two delivery
strategies have not been directly compared.
Purpose To compare effectiveness of a 12-week physical
activity (PA) intervention for type 2 diabetes patients
delivered by a trained GP via an individual consultation
or as group delivery by a behavioral expert.
Method Sixty-seven primary care participants (mean age=
67.4 years, 70% male) from three Belgian general practices
were randomized into three different treatment arms: (1)
individual consultation (n=22) with three PA contacts with
the patient's GP; (2) group counseling (n=21) with three PA
group sessions delivered by a behavioral expert; and (3) a
control arm (n=24) receiving no intervention. Participant
inclusion criteria were ≤80 years; 25–35 kg/m²; ≤12%
HbA1c and reporting no PA limitations. Outcome measures
were pedometer-determined steps/day, self-reported PA, and
health parameters (weight, body mass index, waist circumference,
total cholesterol, fasting glucose, and HbA1c).
Results Group counseling participants increased 1,706 steps/
day over baseline significantly (p≤0.05) more than other
treatment arms. Moreover, they increased their self-reported
PA (+82 min/day), while control arm participants showed a
decrease in PA (p≤0.05). Participants of the individual
consultation had a decrease in waist circumference
(−1.4 cm) and HbA1c (−0.32%) and a lower increase in
total cholesterol (+7.2 mg/dl) compared to the other
treatment arms (all p≤0.05).
Conclusion Group counseling in type 2 diabetes patients
improved PA, whereas individual consultations had an
impact on some health outcomes on the short-term.
Keywords Physical activity . Pedometer . Lifestyle
changes . Behavioral intervention . Physician . Diabetes
AbstractBackground Pedometer-based physical activity programshave been typically delivered in a group format by abehavioral expert. An alternative strategy that builds onexisting interactions is delivery through individual consultationby a general practitioner (GP). These two deliverystrategies have not been directly compared.Purpose To compare effectiveness of a 12-week physicalactivity (PA) intervention for type 2 diabetes patientsdelivered by a trained GP via an individual consultationor as group delivery by a behavioral expert.Method Sixty-seven primary care participants (mean age=67.4 years, 70% male) from three Belgian general practiceswere randomized into three different treatment arms: (1)individual consultation (n=22) with three PA contacts withthe patient's GP; (2) group counseling (n=21) with three PAgroup sessions delivered by a behavioral expert; and (3) acontrol arm (n=24) receiving no intervention. Participantinclusion criteria were ≤80 years; 25–35 kg/m²; ≤12%HbA1c and reporting no PA limitations. Outcome measureswere pedometer-determined steps/day, self-reported PA, andhealth parameters (weight, body mass index, waist circumference,total cholesterol, fasting glucose, and HbA1c).Results Group counseling participants increased 1,706 steps/day over baseline significantly (p≤0.05) more than othertreatment arms. Moreover, they increased their self-reportedPA (+82 min/day), while control arm participants showed adecrease in PA (p≤0.05). Participants of the individualconsultation had a decrease in waist circumference(−1.4 cm) and HbA1c (−0.32%) and a lower increase intotal cholesterol (+7.2 mg/dl) compared to the othertreatment arms (all p≤0.05).Conclusion Group counseling in type 2 diabetes patientsimproved PA, whereas individual consultations had animpact on some health outcomes on the short-term.Keywords Physical activity . Pedometer . Lifestylechanges . Behavioral intervention . Physician . Diabetes
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