Skip to main content

Table 1 Frequency distribution of baseline study population (in total) and intervention and control group (after residential weight reduction programme), (N = 137)

From: Hormonal regulatory mechanisms in obese children and adolescents after previous weight reduction with a lifestyle intervention: maintain - paediatric part - a RCT from 2009–15

     Total Intervention Control p-values.
     N=137 N=65 N=72  
sex   male N(%) 65 (47.4) 32 (49.2) 33 (45.8) 0.691***
   female N(%) 72 (52.6) 33 (50.8) 39 (54.2)  
age (years) at recruitment (T-3)   mean (±sd) 13.65 (±1.88) 13.85 (±1.94) 13.47 (±1.82) 0.236*
  at randomisation (T0)   mean (±sd) 13.97 (±1.86) 14.17 (±1.93) 13.79 (±1.80) 0.237*
pubertal stage at recruitment (T-3) prepubertal N(%) 16 (11.7) 7 (10.8) 9 (12.5) 0.368**
   interpubertal N(%) 51 (37.2) 22 (33.8) 29 (40.3)  
   postpubertal N(%) 70 (51.1) 36 (55.4) 34 (47.2)  
  at randomisation (T0) prepubertal N(%) 10 (7.3) 4 (6.2) 6 (8.3) 0.203**
   interpubertal N(%) 42 (30.7) 17 (26.2) 25 (34.7)  
   postpubertal N(%) 85 (62.0) 44 (67.7) 41 (56.9)  
Migration background German N(%) 67 (48.9) 30 (46.2) 37 (51.4) 0.639***
   Turkish N(%) 39 (28.5) 18 (27.7) 21 (29.2)  
   other N(%) 31 (22.6) 17 (26.2) 14 (19.4)  
Education background (parents) No certificate N(%) 6 (4.4) 2 (3.1) 4 (5.6) 0.797***
   General education N(%) 17 (12.4) 6 (9.2) 11 (15.3)  
   Secondary modern school N(%) 58 (42.3) 28 (43.1) 30 (41.7)  
   Grammar school N(%) 29 (21.2) 14 (21.5) 15 (20.8)  
   college of higher education, university N(%) 19 (13.9) 11 (16.9) 8 (11.1)  
   other N(%) 8 (5.8) 4 (6.2) 4 (5.6)  
Education background (parents) lower level N(%) 23 (16.8) 8 (12.3) 15 (20.8) 0.587***
   middle level N(%) 58 (42.3) 28 (43.1) 30 (41.7)  
   higher level N(%) 48 (35.0) 25 (38.5) 23 (31.9)  
   others N(%) 8 (5.8) 4 (6.2) 4 (5.6)  
BMI-SDS at recruitment (T-3)   mean (±sd) 2.52 (±.40) 2.51 (±.38) 2.52 (±.42) 0.851*
  at randomisation (T0)   mean (±sd) 2.10 (±.47) 2.06 (±.47) 2.14 (±.47) 0.333*
  1. *t-test for independent samples/ ** Man-Whitney-U-test/ *** Chi-square-test