Please select the eligibility criteria that correspond to the clinical trial below.
Title: N/A
Brief Summary: The aim of this study is to test whether a parent-focused participatory intervention in addition to gym lessons can enhance preschoolers physical activity compared to gym lessons alone.


Options:
A: * Must be a student in one of the four catholic schools in Baton Rouge that have elected to participate in the study.
* Must be in the second through sixth grade at the start of the study.
B: Inclusion Criteria:

* Adult caregiver with a 2-5 year old child
* 2-5 year old child with a caregiver
* Caregiver has a working cell phone and is willing to receive regular text messages as part of study participation
* Caregiver lives within feasible travel distance of data collection site and willing to come for data collection visits at 0, 6 months, 12 months, 18 months and 24 months
* Willingness to be randomized to one of two groups with the understanding that all participants will receive all components of the intervention, randomization simply determines the order in which materials are received
* Valid mailing address where participant can receive mail and packages
* Basic English fluency and literacy sufficient for understanding the intervention materials and completing questionnaires

Exclusion Criteria:

* Adults with no children or whose only children are younger than 2 or older than 5
* Children younger than 2 or older than 5 years of age
* No cell phone or unwilling to receive regular text messages as part of study participation
* Lives beyond feasible travel distance of data collection sites AND/OR planning on moving out of the area within a two year period
* Child has major physical or behavioral disorder (e.g. failure to thrive, severe autism) that would seriously impact study participation
* No valid mailing address
* Unwillingness to accept random allocation to study arm
* Spouse/partner of another caregiver-child pair who is living in same home \& who has already enrolled (e.g. only one adult-child pair per household may be enrolled)
C: Specific Inclusion Criteria at the parent-child dyad level will include:

* Consent from a primary caregiver (i.e., parent or legal guardian)
* Caregiver's ability to speak English or Spanish
* Infant presenting for a 2 month well-child visit (child is 6 ≥ 12 weeks old)
* Caregiver agrees to participate in the study, and agrees to bring their child to all well-child care visits until their 2 year well-child care visit.

Specific Exclusion Criteria at the parent-child dyad level will include:

* Child born prior to 32 weeks' gestational age or with a birth weight \< 1500 grams
* Child with weight/length \< 3rd percentile at 2 months of age
* Child with a diagnosis of failure to thrive or with weight that has dropped ≥ 2 percentile curves since the previous well child visit
* Child with known medical problems that may affect their ability to thrive or requires a special diet (e.g. metabolic disease, uncorrected congenital heart disease, renal disease, lung disease)
* Caregiver with significant mental or neurologic illness likely to impair their ability to participate
* Caregiver age \< 18 years
* Caregiver with known plans to move out of the immediate area during the study period
* Caregiver with poor visual acuity (i.e. vision worse than 20/50 with Rosenbaum Pocket Screener as assessed at the time of recruitment)

Specific Inclusion Criteria at the Pediatric Resident level will include:

* Participation in the medical center's pediatric resident training program
* Providing regular care (\> 3 sessions per month) in the pediatric resident primary care clinic; AND
* Consent to participate in the study

Specific Exclusion Criteria at the Pediatric Resident level will include:

* Providing no regular care in the pediatric resident primary care clinic (e.g., transitional-year resident, Medicine/Pediatrics resident); OR
* Known plans to leave the training program during the ensuing 6 months
D: Inclusion Criteria:

* age 3-6 years

Exclusion Criteria:

* severe atopic dermatitis,
* serious acute infectious diseases,
* physical malformations, and
* severe physical disabilities.

Answer: D