PMC full text: | Published online 2014 Oct 15. doi: 10.1186/s12998-014-0027-6
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Table 2
Jansens [ 33 ] (Netherlands) | Jansens [ 33 ] (USA) | Wedderkopp [ 35 ] | LeResche [ 34 ] | Hulsegge [ 32 ] | ||
---|---|---|---|---|---|---|
1. Study sample | - Was the sampling likely to be suitable to obtain a group representative of the corresponding general population? | Yes (Probably) | Yes (Probably) | Yes (Probably) | Yes (Probably) | Yes (Probably) |
- If participation at BL or at FU < 80%, was response bias investigated? | Yes | Yes | Yes | Yes | No | |
- Inclusion criteria, were age groups appropriate to study the whole period of puberty? | Yes | Yes | Yes | Yes | Not really | |
2. Data collec-tion | - Data for BP and puberty were collected independently by 2 different persons or by at least 1 questionnaire? | Yes | No | Yes | No | Yes |
3. Puberty | - Clearly defined? | Yes | Yes | Yes | Yes | Yes |
- Description of how puberty stage was determined? | Yes | Yes | Yes | Yes | Yes | |
- Reference provided for validity of test? | No | No | No | Yes | Yes | |
- Reference provided for reliability of test? | Yes | Yes | No | No | No | |
4. Back pain | - Clearly defined? | Yes | Yes | Yes | Yes | Yes |
- Description of how BP was assessed? | Yes | Yes | Yes | Yes | Yes | |
- Recall period (<= 1 month)? | No | No | Yes | No | No | |
- Was BP at BL taken into account? | Yes | Yes | NA | NA | NA | |
5. Control for age and sex | - Was the association puberty- BP controlled for age? | Yes | Yes | Stratified analysis | Yes | Yes |
- for sex? | Yes | Yes | NA | Stratified analysis | Yes | |
6. Stat. analysis | - Was dose–response prevalence estimated in relation to puberty stages investigated? | Yes | Yes | Yes | Yes | No |
- Was dose–response of frequency or severity in relation to puberty stages investigated? | No | No | NA | NA | NA | |
- Was dose–response tested for trend? | Yes | Yes | Yes | Yes | Yes | |
Score (0–17)% | 14/17 | 13/17 | 12/14 | 12/15 | 10/15 | |
82% | 76% | 86% | 80% | 67% |
(listed by the quality score).
BL = baseline, FU = follow up, BP = back pain, NA = not applicable.