| Unadjusted MNLR resultsa | Adjusted MNLR resultsb | ||||
---|---|---|---|---|---|---|
Low screen users | High computer/ moderate TV | High TV/tablet/ smartphone, low computer | Low screen users | High computer/ moderate TV | High TV/tablet/ smartphone, low computer | |
Ref | RR (95% CI) | RR (95% CI) | Ref | RR (95% CI) | RR (95% CI) | |
Environment | ||||||
 Physical Environment | ||||||
 Screen-based devices in the home (n) | 1.00 | 1.42 (1.15–1.76) | 1.08 (0.88–1.33) | 1.00 | 1.27 (0.93–1.72) | 0.93 (0.69–1.24) |
 Working TVs in house (n) | 1.00 | 0.97 (0.88–1.06) | 0.99 (0.91–1.08) | – | – | – |
 e-games consoles in house (n) | 1.00 | 1.00 (0.93–1.08) | 1.00 (0.93–1.09) | – | – | – |
 Screen-based devices in child’s bedroom (n) | 1.00 | 1.25 (1.04–1.51) | 1.13 (0.93–1.36) | 1.00 | 0.96 (0.73–1.25) | 0.97 (0.75–1.26) |
 Working TVs in child’s bedroom (n) | 1.00 | 0.95 (0.85–1.07) | 0.95 (0.83–1.10) | – | – | – |
 e-games consoles in child’s bedroom (n) | 1.00 | 0.97 (0.90–1.04) | 0.97 (0.87–1.07) | – | – | – |
 Parenting Environment | ||||||
 Rules for TV use | 1.00 | 1.06 (1.01–1.13) | 1.08 (1.02–1.15) | 1.00 | 1.03 (0.92–1.17) | 0.93 (0.83–1.05) |
 Rules for electronics use | 1.00 | 1.06 (1.02–1.11) | 1.04 (0.99–1.09) | 1.00 | 0.91 (0.82–1.00) | 0.98 (0.89–1.08) |
 Emotional support for screen time behaviors | 1.00 | 1.05 (1.01–1.10) | 1.02 (0.98–1.07) | 1.00 | 1.07 (1.01–1.14) | 1.06 (0.99–1.12) |
 Use of STBs to keep child occupied | 1.00 | 1.13 (1.02–1.26) | 1.15 (1.03–1.28) | 1.00 | 0.94 (0.78–1.12) | 0.91 (0.76–1.09) |
 Parental discouragement of screen time behaviors | 1.00 | 1.00 (0.97–1.03) | 0.99 (0.96–1.03) | – | – | – |
 Policy Environment | ||||||
 Child’s homework requires a tablet/laptop | 1.00 | 1.27 (1.02–1.59) | 0.95 (0.75–1.19) | 1.00 | 1.43 (1.03–1.99) | 0.94 (0.69–1.29) |
Family and peer behavior | ||||||
 Parent physical activity (days/week meet PA recs.) | 1.00 | 0.91 (0.82–1.00) | 0.86 (0.77–0.95) | 1.00 | 0.88 (0.76–1.02) | 0.85 (0.74–0.99) |
 Sibling screen co-participation | 1.00 | 1.08 (0.99–1.17) | 1.07 (0.98–1.17) | – | – | – |
 Parent/guardian screen co-participation | 1.00 | 1.05 (0.96–1.15) | 1.05 (0.96–1.16) | – | – | – |
 Peer screen co-participation | 1.00 | 1.18 (1.04–1.34) | 1.10 (0.96–1.27) | 1.00 | 1.05 (0.88–1.26) | 1.00 (0.83–1.22) |
Family and peer knowledge, beliefs and intentions | ||||||
 Parent concerns about screen time behaviors | 1.00 | 0.99 (0.87–1.13) | 1.05 (0.92–1.20) | – | – | – |
Child behavior | ||||||
 Child’s sleep (minutes/night) | 1.00 | 0.996 (0.993–0.999) | 0.998 (0.994–1.001) | 1.00 | 0.99 (0.99–1.00) | 0.99 (0.99–1.00) |
 Child’s physical activity (days/week meet recs) | 1.00 | 0.93 (0.84–1.02) | 0.91 (0.82–1.01) | – | – | – |
Child knowledge, beliefs and intentions | ||||||
 Child’s preference for screen time behaviors | 1.00 | 1.43 (1.21–1.70) | 1.40 (1.16–1.68) | 1.00 | 1.56 (1.16–2.08) | 1.35 (1.01–1.81) |
 Child’s addiction to electronic media (parental perceived) | 1.00 | 1.44 (1.21–1.70) | 1.30 (1.09–1.55) | 1.00 | 1.06 (0.79–1.41) | 1.05 (0.79–1.40) |