Table 5.

Child agreement using the Fleiss’ kappa, the S score and the total percentage of cases in which all three children provided the same answer for food marketing instances

Sets	Number of marketing instances	Fleiss’ kappa	Fleiss’ kappa interpretation	S score	Bennett score’s interpretation	Perfect agreement (%)
1–2	72	−0·01	Poor agreement	0·00	Poor agreement	25
3–4	102	−0·28	Poor agreement	−0·23	Poor agreement	8
5–6	102	−0·01	Poor agreement	−0·01	Poor agreement	25
7–8	104	−0·03	Poor agreement	0·35	Fair agreement	52
9–10	104	−0·03	Poor agreement	0·01	Slight agreement	26
11–12	104	−0·11	Poor agreement	0·19	Slight agreement	39
13–14	104	−0·24	Poor agreement	−0·22	Poor agreement	8
15–16	104	0·09	Slight agreement	0·10	Slight agreement	33
17–18	104	0·02	Slight agreement	0·03	Slight agreement	27
19–20	104	0·05	Slight agreement	0·23	Fair agreement	53
21–22	114	0·08	Slight agreement	0·23	Fair agreement	42
23–24	124	0·21	Fair agreement	0·25	Fair agreement	44
25–26	124	0·07	Slight agreement	0·10	Slight agreement	32