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Table 2 Crude and adjusted odds ratios for adherence to the 12 items of the CONSORT statement for HIV/AIDS abstracts in 2014–2015 compared to 2006–2007

From: Abstracts reporting of HIV/AIDS randomized controlled trials in general medicine and infectious diseases journals: completeness to date and improvement in the quality since CONSORT extension for abstracts

Item

Criteria

Items reported, n (%)

Data collection period (2014–15 versus 2006–07)

2014–15

2006–07

Univariate analysisa

Multivariate analysisb

n = 153

n = 159

Odds ratio (95 % CI)

P

Adjusted odds ratio (95 % CI)

P

Title

Identification of the study as randomized

103 (67.3)

80 (50.3)

2.03 (1.30–3.22)

.002

1.57 (0.93–2.65)

.090

Author contact

Contact details for the corresponding author including both postal and email addresses

28 (18.3)

110 (69.2)

0.10 (0.06–0.17)

< .001

0.06 (0.03–0.12)

< .001

Trial design

Description of the trial design (eg, parallel, cluster, non-inferiority, parallel, N-of-1 trial, etc.)

45 (29.4)

29 (18.2)

1.87 (1.10–3.18)

.020

1.56 (0.86–2.83)

.142

Methods

- Participants

Eligibility criteria for participants and the settings where the data were collected

73 (47.7)

45 (28.3)

2.31 (1.45–3.69)

< .001

1.92 (1.05–3.51)

.034

- Interventions

Interventions intended for each group

142 (92.8)

140 (88.1)

1.75 (0.80–3.82)

.154

2.26 (0.99–5.12)

.052

- Objective

Specific objective or hypothesis

126 (82.4)

115 (72.3)

1.79 (1.04–3.07)

.035

1.31 (0.72–2.39)

.384

- Outcome

Clearly defined primary outcome

70 (45.8)

74 (46.5)

0.97 (0.62–1.51)

.889

0.69 (0.39–1.22)

.200

- Randomization

How participants were allocated to interventions

19 (12.4)

0

Not estimable

< .001

Not estimable

< .001

- Blinding (masking)

Whether or not participants, care givers and those assessing the outcomes were blinded to group assignment

18 (11.8)

3 (1.9)

6.93 (2.00–24.05)

< .001

4.10 (0.81–20.46)

.087

Results

- Number randomized

Number of participants randomized to each group

64 (41.8)

56 (35.2)

1.32 (0.84–2.09)

.230

1.15 (0.69–1.91)

.601

- Recruitment

Trial status

50 (32.7)

31 (19.5)

2.00 (1.19–3.36)

.008

1.48 (0.82–2.68)

.192

- Number analyzed

Number of participants analyzed in each group

65 (42.5)

40 (25.2)

2.20 (1.36–3.55)

.001

1.69 (0.94–3.04)

.077

- Outcome

For the primary outcome, a result for each group and the estimated effect size and its precision

65 (42.5)

40 (25.2)

2.20 (1.36–3.55)

.001

2.26 (1.17–4.35)

.015

- Harms

Important adverse events or side-effects

78 (51.0)

75 (47.2)

1.16 (0.75–1.82)

.501

1.15 (0.65–2.02)

.632

Conclusions

General interpretation of the results

118 (77.1)

102 (64.2)

1.88 (1.15–3.10)

.012

1.59 (0.92–2.74)

.094

Trial registration

Registration number and name of trial register

84 (54.9)

38 (23.9)

3.88 (2.39–6.29)

< .001

8.32 (3.66–10.88)

< .001

Funding

Source of funding

34 (22.2)

1 (0.6)

45.14 (6.09–334.48)

< .001

Not estimable

< .001

  1. CI confidence interval
  2. aChi squared tests
  3. bGeneralized estimation equations with journal as grouping variable: adjustment has been made for journal impact factor (<10 versus ≥ 10), journal field (general medicine versus infectious diseases), CONSORT endorser journal (yes versus no), abstract format (IMRAD/eight-heading/one-block), type of intervention (pharmacological versus non pharmacological), number of authors (less than 6/7–12/more than 13); expect for title and author contact in which abstract format was not considered