Summary of evidence appraised, questions 1–4
| Study: first author, year | Reference | Evidence level |
|---|---|---|
| Question 1: How should obesity be diagnosed and assessed? | ||
| SE Barlow, 1998 | 13 | 4 |
| JH Himes, 1994 | Am J Clin Nutr59:307–16 | 4 |
| EME Poskitt, 1995 | Acta Paediatr84:961–3 | 4 |
| C Power, 1997 | Int J Obes21:507–26 | 2++ |
| MC Bellizzi, 1999 | Am J Clin Nutr70:173–177s | 4 |
| M de Onis, 1996 | Am J Clin Nutr64:650–8 | 4 |
| JH Cross, 1995 | 10 | 3 |
| JJ Reilly, 1999 | Int J Obes23:217–19 | 3 |
| JT Warner, 1997 | Ann Hum Biol24:209–15 | 3 |
| JJ Reilly, 2000 | 14 | 2+ |
| LB Sardinha, 1999 | Am J Clin Nutr70:1090–5 | 3 |
| JH Himes, 1999 | Int J Obes23:s18–s21s | 3 |
| JD Marshall, 1991 | Hum Biol63:137–53 | 3 |
| R Malina, 1999 | Am J Clin Nutr70: s131–s136 | 3 |
| F Schaefer, 1998 | Int J Obes22:461–9 | 3 |
| R Lazarus, 1996 | Am J Clin Nutr63:500–6 | 2 |
| Question 2: What is the prevalence of obesity in the UK? | ||
| JJ Reilly, 1999 | 1 | 3 |
| JJ Reilly, 1999 | BMJ319:1039 | 2+ |
| SJ Kinra, 1999 | 22 | 2+ |
| Question 3: Is childhood obesity preventable? | ||
| RV Luepker, 1996 | JAMA275:768–76 | 1+ |
| SL Gortmaker, 1999 | Arch Pediatr Adolesc Med153:409–18 | 1+ |
| Question 4: Is childhood obesity treatable? | ||
| LM Mellin, 1987 | J Am Diet Assoc87:333–8 | 1+ |
| LH Epstein, 1995 | Health Psychol14:109–15 | 1+ |
| LH Epstein, 2000 | Arch Pediatr Adolesc Med154:220–6 | 1+ |