Table 4

Percentage of articles meeting and not meeting the criteria for each of the 21 items in the validated quality assessment tool

Question	The Sun (n=20)		The Daily Mirror (n=23)		The Daily Mail (n=40)		The Daily Express (n=30)		The Daily Telegraph (n=28)		All papers (n=141)
Criteria 1	+1	−1	+1	−1	+1	−1	+1	−1	+1	−1	+1	−1
Q1	20	80	61	39	37	63	57	43	54	46	46	54
Q2	35	65	52	48	55	45	80	20	71	29	60	40
Q3	70	30	78	22	80	20	90	10	82	18	81	19
Q4	25	75	26	74	43	57	40	60	54	46	39	61
Q5	15	85	26	74	27	73	33	67	29	71	27	73
Q6	35	65	43	57	30	70	33	67	36	64	37	63
Q7	45	55	70	30	77	23	70	30	79	21	70	30
Q8	75	25	78	22	70	30	70	30	71	29	72	28
Criteria 2	+1	0	+1	0	+1	0	+1	0	+1	0	+1	0
Q9	10	90	17	83	25	75	40	60	21	79	24	76
Q10	20	80	17	83	20	80	17	83	18	82	18	82
Q11	15	85	9	91	5	95	10	90	14	86	10	90
Q12	0	100	0	100	5	95	13	87	4	96	5	95
Q13	0	100	0	100	0	100	3	97	4	96	1	99
Q14	0	100	4	96	5	95	0	100	0	100	2	98
Q15	15	85	35	65	15	85	10	90	25	75	19	81
Q16	70	30	78	22	70	30	80	20	50	50	69	31
Q17	25	75	26	74	15	85	17	83	14	86	18	82
Criteria 3	−1	0	−1	0	−1	0	−1	0	−1	0	−1	0
Q18	5	95	9	91	3	97	0	100	0	100	3	97
Q19	20	80	22	78	28	72	37	63	29	71	28	72
Q20	10	90	13	87	15	85	17	83	11	89	13	87
Q21	20	80	17	83	10	90	23	77	7	93	15	85

Results presented for individual papers and for all papers combined. For each item met, a value of +1 (criteria 1 and 2) or zero (criteria 3) is achieved and for each item not met, either a zero (criteria 2) or −1 (criteria 1 and 3) is achieved.