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Increasing weight-bearing physical activity and calcium-rich foods to promote bone mass gains among 9-11 year old girls: the Cal Girls study

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN74938765
Enrollment
322
Registered
2005-05-03
Start date
2003-01-01
Completion date
Unknown
Last updated
2015-01-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Osteoporosis prevention Musculoskeletal Diseases Osteoporosis

Interventions

Thirty 5th-grade Girl Scout troops were recruited and randomised to a two-year behavioural intervention program (n = 15 troops) or to a no-treatment control group (n = 15 troops). The behavioural prog
about 800 Ca mg/day) and to increase weight-bearing physical activity to 120 minutes per week. A continuously available, interactive web-based program, and a one-week summer camp between 5th and 6th g

Sponsors

University of Minnesota (USA)
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: 30 5th-grade Girl Scout troops from the Minneapolis and St Paul metropolitan area were recruited to take part in the study through mailed fliers to troop leaders and troop leader meeting announcements. Troop eligibility criteria were: 1. Troop size greater than or equal to 8 girls 2. Parental consent and girl assent from each troop member to participate in troop meetings with intervention program activities 3. Troop plans to remain together at minimum two more years

Exclusion criteria

Exclusion criteria: Not provided at time of registration

Design outcomes

Primary

MeasureTime frame
Change in areal bone mineral content (aBMC) was the primary outcome variable for the study because it best reflects bone mass change in developing children.

Secondary

MeasureTime frame
Not provided at time of registration

Countries

United States of America

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026