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Table 3 Characteristics of family studies

From: The Beneficial Effects of Physical Activity: Is It Down to Your Genes? A Systematic Review and Meta-Analysis of Twin and Family Studies

Family Studies (all studies were based on the sample from “The HERITAGE Family Study”)

Author (year)

Samplea

Age

Baseline physical activity status

Physical activity intervention

Diet intervention

Rice T (1999)

98 Caucasian families (440 individuals)

Parents were less than 65 years old, while offspring ranged from 17–40 years old

Sedentary

F: 3 times per week for 20 weeks

I: 55–75% VO2 max

T: 30–50 min

T: Cycle ergometer

None.

Bouchard C (1999)

98 Caucasian families (481 individuals)

Perusse L (2000)

99 Caucasian families (483 individuals)

Perusse L (2001)

99 Caucasian families (483 individuals)

Gaskill SE (2001)

100 Caucasian families (339 individuals) and 99 African-American families (172 individuals)

  1. FITT frequency, intensity, time, type, VO 2 max maximal oxygen uptake
  2. aParticipants needed to complete 60 exercise sessions within 21 weeks to satisfy the protocol and be included in the study