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. 2026 Aug 4;16(8):e114420. doi: 10.1136/bmjopen-2025-114420

Table 3. Categorical difference of latent profiles regarding in-home UI risks among children (N=1186).

n (%) H* P
Low risk Moderate risk High risk
Educational attainment of primary caregiver
 Junior high school or below 256 (67.19) 99 (25.98) 26 (6.83) 6.356 0.096
 Senior high school 243 (71.05) 85 (24.85) 14 (4.10)
 College 337 (74.23) 99 (21.81) 18 (3.96)
 Master or above 5 (55.56) 4 (44.44) 0 (0.00)
Monthly household income per capita (yuan)
 <4000 122 (63.21) 58 (30.05) 13 (6.74) 22.189 <0.001†
 4000–6999 250 (65.96) 105 (27.70) 24 (6.34)
 7000–9999 199 (72.89) 66 (24.18) 8 (2.93)
 10 000–14 999 164 (78.47) 37 (17.70) 8 (3.83)
 ≥15 000 106 (80.30) 21 (15.91) 5 (3.79)
Flooring of bedrooms
 Wood floor 507 (71.31) 172 (24.19) 32 (4.50) 8.376 0.079
 Anti-slip ceramic tiles 289 (72.80) 89 (22.42) 19 (4.78)
 Non-slip ceramic tiles 28 (59.57) 13 (27.66) 6 (12.77)
 Cement floor 16 (57.14) 11 (39.29) 1 (3.57)
 Other 1 (33.33) 2 (66.67) 0 (0.00)
Flooring of living rooms
 Wood floor 95 (66.90) 37 (26.06) 10 (7.04) 11.470 0.022‡
 Anti-slip ceramic tiles 619 (73.43) 189 (22.42) 35 (4.15)
 Non-slip ceramic tiles 109 (64.88) 47 (27.98) 12 (7.14)
 Cement floor 17 (56.67) 12 (40.00) 1 (3.33)
 Other 1 (33.33) 2 (66.67) 0 (0.00)
Flooring of kitchen and bathrooms
 Wood floor 10 (83.34) 1 (8.33) 1 (8.33) 15.236 0.002†
 Anti-slip ceramic tiles 778 (72.30) 249 (23.14) 49 (4.56)
 Non-slip ceramic tiles 45 (54.88) 30 (36.59) 7 (8.53)
 Cement floor 8 (50.00) 7 (43.75) 1 (6.25)
*

Kruskal-Wallis tests.

†

P<0.01.

‡

P<0.05.

UI, unintentional injury.