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. 2026 Feb 10;15:e78792. doi: 10.2196/78792

Table 3.

Characteristics of the children aged between 3 and 8 years receiving care in pediatric clinics randomized into the Wellness Coaching for Kids and Families (WC4K) intervention (n=24) or usual care (n=26) armsa.

Characteristic WC4K intervention clinics (n=77,481) Usual care clinics (n=73,001) Standardized mean difference
Sex, n (%) 0.002

Male 37,483 (48.38) 35,401 (48.49)

Female 39,998 (51.62) 37,600 (51.51)
Age (y), mean (SD) 5.83 (1.77) 5.79 (1.78) 0.02
Race or ethnicity 0.09

Asian or Pacific Islander 6711 (8.66) 8157 (11.17)

Black 6537 (8.44) 5834 (7.99)

Hispanic 43,003 (55.50) 39,960 (54.74)

White 14,783 (19.08) 12,777 (17.50)

Other or unknown 6447 (8.32) 6273 (8.60)
Public health plan, n (%) 0.05

No 52,938 (68.32) 51,640 (70.74)

Yes 24,543 (31.68) 21,361 (29.26)
Neighborhood educationb 0.04

Less than high school 16,311 (21.05) 15,779 (21.61)

High school 19,674 (25.39) 17,440 (23.89)

Some college or higher 41,496 (53.56) 39,782 (54.5)
Neighborhood incomeb (U S $) , n (%) 0.05

<35,000 16,081 (20.75) 14,800 (20.27)

35,000-49,999 8252 (10.65) 7559 (10.35)

50,000-74,999 12,408 (16.01) 11,689 (16.01)

75,000-99,999 10,446 (13.48) 9765 (13.38)

100,000 30,295 (39.11) 29,188 (39.99)
Neighborhood deprivation index quintilesb , n (%) 0.11

Least deprivation 6061 (7.82) 7356 (10.08)

Below-average deprivation 12,354 (15.94) 13,321 (18.25)

Average deprivation 21,299 (27.49) 17,848 (24.45)

Above-average deprivation 20,783 (26.82) 19,387 (26.56)

Most deprivation 16,984 (21.93) 15,089 (20.66)
BMI-for-age group, n (%) 0.02

Missing 1829 (2.36) 1441 (1.97)

Underweight 2037 (2.69)c 1678 (2.34)d

Normal weight 45,434 (60.06)c 43,011 (60.1)d

Overweight 12,685 (16.77)c 12,265 (17.14)d

Obese 15,496 (20.48)c 14,606 (20.42)d

aNeighborhood income and education were derived from US census tract data and reflect median household income and the percentage of adults aged 25 years or older without a high school diploma, respectively.

bLeast deprivation (–2.15 to –0.68), below-average deprivation (–0.68 to –0.15), average deprivation (–0.15 to 0.42), above-average deprivation (0.42-1.12), and most deprivation (1.12-5.77) calculated relative to the Kaiser Permanente Southern California population.

cN=75,652.

dN=71,560.