Table 6.

Likelihood (indicated by yes/no responses) of using the portion size estimation aids at particular eating occasions and situations, by gender and age group, among adults (aged 18–64 years) living on the island of Ireland, January–February 2013

					Gender					Age group
		Total (n 120)			Male		Female			18–25 years		26–35 years		36–45 years		46–55 years		56–64 years
Eating occasion/situation	Participants’ response	n	%	P value	n	%	n	%	P value	n	%	n	%	n	%	n	%	n	%	P value
Eating in	Yes	107	89	<0·001	55	90	52	88	0·721	52	87	25	89	13	93	10	100	7	88	0·768
	No	13	11		6	10	7	12		8	13	3	11	1	7	0	0	1	13
Eating out	Yes	9	8	<0·001	4	7	5	8	0·690	3	5	3	11	0	0	1	10	2	25	0·222
	No	111	93		57	93	54	92		57	95	25	89	14	100	9	90	6	75
At work	Yes	41	34	0·001	16	26	25	42	0·062	16	27	14	50	3	21	3	30	5	63	0·073
	No	79	66		45	74	34	58		44	73	14	50	11	79	7	70	3	38
Eating with friends	Yes	32	27	<0·001	15	25	17	29	0·601	15	25	9	32	0	0	2	20	6	75	0·004
	No	88	73		46	75	42	71		45	75	19	68	14	100	8	80	2	25
In stressful situations	Yes	14	12	<0·001	7	11	7	12	0·947	4	7	5	18	1	7	1	10	3	38	0·092
	No	106	88		54	89	52	88		56	93	23	82	13	93	9	90	5	63
Lack of time	Yes	24	20	<0·001	14	23	10	17	0·411	11	18	6	21	3	21	2	20	2	25	0·991
	No	96	80		47	77	49	83		49	82	22	79	11	79	8	80	6	75
Special occasions	Yes	34	28	<0·001	12	20	22	37	0·032	17	28	8	29	3	21	2	20	4	50	0·641
	No	86	72		49	80	37	63		43	72	20	71	11	79	8	80	4	50
Eating late or after a night out	Yes	16	13	<0·001	8	13	8	14	0·943	6	10	3	11	1	7	3	30	3	38	0·105
	No	104	87		53	87	51	86		54	90	25	89	13	93	7	70	5	63
Watching television	Yes	31	26	<0·001	16	26	15	25	0·929	16	27	8	29	2	14	2	20	3	38	0·763
	No	89	74		45	74	44	75		44	73	20	71	12	86	8	80	5	63
Preparing a meal	Yes	113	94	<0·001	56	92	57	97	0·261	56	93	27	96	14	100	9	90	7	88	0·705
	No	7	6		5	8	2	3		4	7	1	4	0	0	1	10	1	13
Shopping for food	Yes	36	30	<0·001	16	26	20	34	0·359	13	22	12	43	7	50	3	30	1	13	0·091
	No	84	70		45	74	39	66		47	78	16	57	7	50	7	70	7	88
Breakfast	Yes	69	58	0·100	33	54	36	61	0·443	33	55	17	61	7	50	5	50	7	88	0·438
	No	51	43		28	46	23	39		27	45	11	39	7	50	5	50	1	13
Lunch	Yes	62	52	0·715	27	44	35	59	0·099	30	50	16	57	5	36	5	50	6	75	0·465
	No	58	48		34	56	24	41		30	50	12	43	9	64	5	50	2	25
Dinner	Yes	103	86	<0·001	50	82	53	90	0·217	48	80	26	93	13	93	9	90	7	88	0·471
	No	17	14		11	18	6	10		12	20	2	7	1	7	1	10	1	13
Supper	Yes	39	33	<0·001	21	34	18	31	0·647	12	20	14	50	4	29	3	30	6	75	0·005
	No	81	68		40	66	41	69		48	80	14	50	10	71	7	70	2	25
Snacks	Yes	39	33	<0·001	19	31	20	34	0·748	14	23	15	54	4	29	3	30	3	38	0·085
	No	81	68		42	69	39	66		46	77	13	46	10	71	7	70	5	63
Drinks	Yes	35	29	<0·001	17	28	18	31	0·750	13	22	9	32	6	43	4	40	3	38	0·425
	No	85	71		44	72	41	69		47	78	19	68	8	57	6	60	5	63
Other	Yes	6	5	<0·001	3	5	3	5	0·967	1	2	2	7	0	0	2	20	1	13	0·088
	No	114	95		58	95	56	95		59	98	26	93	14	100	8	80	7	88

Significant P values (χ ² goodness-of-fit test) are indicated in bold font.