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. 2025 Aug 25;27:e66047. doi: 10.2196/66047

Table 1. Characteristics of 12‐ to 19-year-olds registering for and starting SPARX (Smart, Positive, Active, Realistic, X-factor thoughts).

Total Started SPARX
Registrations Yes No Difference P value
Total, n 21,310 13,564 7746 a
Gender, n (%) <.001
 Female 13,593 (63.8) 8499 (62.7) 5094 (65.8)
 Male 6507 (30.5) 4265 (31.4) 2242 (28.9)
 Transgender or intersex or gender not specified 1210 (5.7) 800 (5.9) 410 (5.3)
Prioritized ethnicity, n (%) <.001
 Māori 3354 (15.7) 1941 (14.3) 1413 (18.2)
 Pacific 985 (4.6) 538 (4.0) 447 (5.8)
 Asian 1799 (8.4) 1202 (8.9) 597 (7.7)
 Other 1796 (8.4) 1142 (8.4) 654 (8.4)
 New Zealand European 13,376 (62.8) 8741 (64.4) 4635 (59.8)
Age <.001
 12‐15 years, n (%) 14,297 (67.1) 8908 (65.7) 5389 (69.6)
 16‐19 years, n (%) 7013 (32.9) 4656 (34.3) 2357 (30.4)
 Mean (SD) 14.8 (1.9) 14.9 (1.9) 14.6 (1.9) <.001
Referral source, n (%) <.001
 School 7136 (33.5) 4340 (32.0) 2796 (36.1)
 Counselor, doctor, or nurse 5924 (27.8) 4047 (29.8) 1877 (24.2)
 Friend 1370 (6.4) 887 (6.5) 483 (6.2)
 Google, Facebook, or advertisement 3090 (14.5) 1842 (13.6) 1248 (16.1)
 Other 3790 (17.8) 2448 (18) 1342 (17.3)
Baseline PHQ-Ab, n (%)
 Did not complete 1248 (9.2)
 Not depressed (0‐4) 1980 (16.1)
 Mild (5-9) 2061 (16.7)
 Moderate (10-14) 2548 (20.7)
 Moderately severe (15-19) 2523 (20.5)
 Severe (20-27) 3219 (26.1)
a

Not applicable.

b

PHQ-A: Patient Health Questionnaire adapted for Adolescents.