The design of this study is a pilot wait-list control cluster randomised trial (RCT) with two
arms. The two arms consist of 1) a PRO-ECO intervention group and 2) a wait-list control
group. A mixed-methods approach will be used to collect qualitative and quantitative data
designed to meet the study objectives. Quantitative data collection will support evaluation
of the primary outcome variables and qualitative data will be collected to assess the
acceptability, effectiveness, and feasibility of the implementation of the intervention.
Qualitative data will be collected concurrently with quantitative data and will allow
researchers to explore how participants experience the intervention.
Participant inclusion and exclusion criteria is divided into three distinct sets of levels-
- organization level, 2) adult individual participation, and 3) child participation.
Organization level Inclusion criteria of the ELCCs include approving participation in
this study. Following this, sites will be selected based on geographic area and
demographics of neighbourhood served, physical characteristics of the ELCC outdoor space
(e.g., size, at grade or not), readiness of program (as assessed by YMCA senior staff),
and time spent participating in outdoor play. These variables will be measured based on
a pretrial inventory and infrastructure survey, and census subdivision. ELCCs that do
not meet the inclusion characteristics based on these measurements may be excluded.
Adult individual participation Inclusion criteria for adult participants include being
ECEs or staff (administrators, directors, and supervisors) at the participating YMCAGV
ELCCs that provide full day childcare for preschool children.
Child individual participation Inclusion criteria for child participation includes being
between the ages of 2.5-6 years, currently enrolled in one of the participating YMCAGV
ELCCs, and obtaining parental consent for their participation in the study. Children
will be excluded from the measurement portion of the study if their parent does not
provide informed consent, however, all children attending the program will be exposed to
the intervention.
The RCT will be conducted in 8 ELCCs operated by the YMCA GV. Individual ELCCs will serve as
the unit of randomization, with 4 intervention sites and 4 wait-list control sites composing
the final sample. Intervention sites will receive the intervention immediately following
baseline data collection, whereas wait-list control sites will receive the intervention 6
months later. Data on outcome measures will be collected at three time points- 1) Time 1 -
Baseline, prior to intervention implementation, 2) Time 2 - 6-month follow-up (4 months
following implementation of the intervention within the intervention group, and 3) Time 3 -
12-month follow-up (10 months post-intervention for intervention group, 4 months
post-intervention for the wait-list control group). Thus, outcome data will assess short-term
and long-term outcomes within the intervention group and short-term outcomes within the
wait-list control group. Baseline and post-intervention data will be included in the
analysis, controlling for the cluster design.
Baseline and post-intervention data collection will occur during the Fall and Spring seasons
to ensure similar weather patterns at all time points, which in Metro Vancouver involves
extensive rain fall, as weather has been shown to impact outdoor play time.
As per study inclusion criteria, study participants will include children aged 2.5-6 years at
8 selected YMCA GV sites. This also includes the engagement of ECEs, supervisors, and
managers. Parents of children will also be invited to participate in focus groups, consent
provision, and information sharing. ELCCs will appoint a staff research lead to work closely
with the research team on all phases of the project. Recruitment of children and parents will
occur through the staff research lead at each ELCC. Letters and/or emails home and
face-to-face conversations will promote recruitment. The research team will be actively
involved with staff at each site to ensure they are provided information and direction on
participant recruitment policies and procedures. The staff research lead at each ELCC will
administer consent forms to families.
We will inform parents/caregivers of children enrolled in the participating YMCA GV ELCCs
about our study in various ways within the YMCA GV organization. This includes via online
communications and info sessions. Adult participants for the qualitative focus group be
recruited internally through the YMCA GV. When contacted by prospective participants
including ECEs and staff, we will provide details of the study through phone or via email. On
the interview day, the consent and the overall interview procedure will be further explained
to participants. The focus groups will be conducted through Zoom. Once procedures are
explained and consent reviewed, we will invite participants to sign the consent forms and
complete the demographic survey, and email scanned copies to the UBC research team.
For the primary outcome, proportion of play occurrence, in comparison to non-play occurrence,
child play behaviours will be assessed utilizing observational behaviour mapping methods. To
conduct observational behaviour mapping, two research staff will be on site at each of the 8
ELCCs to collect pre-determined data related to play behaviour during outdoor free play.
Behaviour mapping assessments will be performed through scanning identified quadrants
throughout the outdoor play space. Simultaneous to the in-situ coding, the research staff
will be taking video recordings of the quadrants they are observing. Videos will be coded at
15-second intervals for play type, including functional play, play with rules, imaginative
play, constructive play, exploratory play, restorative play, and non-play. The proportion of
play occurrence (vs. non-play occurrence) will be summarized by treatment group using
frequency and percentages. We will compare proportions at baseline and follow-ups.
The diversity of children's play behavior when participating in outdoor play is a secondary
outcome, and will be coded in situ and via review of the videos. We will compare the
diversity of types of play occurring at baseline and follow-up by comparing proportions of
the various play types, including physical play, expressive play, play with rules,
imaginative play, exploratory play, restorative play, bio play, digital play and non-play.
ECEs' attitudes toward outdoor risky play is a secondary outcome, and will be assessed using
the Teacher Tolerance of Risk in Play Scale (T-TRiPS).
The quality of outdoor spaces will be an additional outcome. The Seven Cs audit tool will
form the basis for the assessment of quality of outdoor space at all early childhood
education centre sites, guide development of the plan for modification of the outdoor
environment, and to reassess at intervention early childhood education centre sites after
implementation of the PRO-ECO intervention.
The same procedures described above will be followed to collect post-intervention data. We
will also collect ECEs and staff's acceptability of the PRO-ECO intervention. This will be
done utilizing a combination of focus group discussion and administrative data.