Teun Remmers

Investigating determinants of children's outside play | 55 Parental socio-demographics Age; mean years (sd), in years (missing n = 6) 37.14 (4.38) 37.07 (4.37) 37.21 (4.40) Gender; n male (%) (missing n = 7) 179 (9.00) 94 (9.31) 85 (8.59) Ethnic background; n Dutch (%) (missing n = 1) 1909 (95.20) 996 (97.67) 943 (96.38) Education level; n (%) (missing n = 1) Low 50 (2.50) 23 (2.27) 27 (2.72) Mid-low 288 (14.40) 142 (14.03) 146 (14.69) Mid-high 902 (45.00) 463 (45.75) 439 (44.16) High 766 (38.20) 384 (37.94) 382 (38.43) BMI; mean kg/m2 (sd) (missing n = 32) 23.94 (7.98) 24.11 (10.65) 23.77 (3.60) Family environment Parental attitude; meanscore (sd) (missing n = 16) 3.61 (1.05) 3.60 (1.06) 3.62 (1.04) Family attitude; meanscore (sd) (missing n = 42) 2.76 (1.04) 2.73 (1.04) 2.79 (1.04) Self-confidence; n agree (%) (missing n = 86) 1021 (53.10) 529 (54.37) 492 (51.90) Perceived difficulty; n agree (%) (missing n = 53) 220 (11.30) 107 (10.81) 113 (11.72) Habit strength; n agree (%) (missing n = 30) 1607 (81.30) 836 (83.52) 771 (79.00) Intention to improve; n agree (%) (missing n = 51) 881 (45.00) 438 (44.20) 443 (45.91) Monitoring; n frequent (%) (missing n = 7) 1565 (78.30) 794 (78.69) 711 (77.80) Active encouragement; n frequent (%) (missing n = 12) 1639 (82.60) 822 (82.28) 817 (82.86) Child autonomy; n frequent (%) (missing n = 18) 421 (21.10) 215 (21.39) 206 (20.81) Perception of outside play; n more (%) (missing n = 42) 539 (27.40) 295 (29.65) 244 (25.15) Presence of rules; % with rules (missing n = 118) 814 (43.10) 425 (44.69) 389 (41.47) Modelling parent, mean days PA (sd) (missing n = 169) 4.49 (2.10) 4.49 (2.12) 4.49 (2.08) Modelling partner, mean days PA (sd) (missing n = 157) 4.83 (2.27) 4.83 (2.30) 4.81 (2.24) Modelling siblings, mean days PA (sd) (missing n = 266) 6.58 (1.61) 6.59 (1.62) 6.56 (1.61)