Association between dietary patterns and cognitive ability in Chinese children aged 10–15 years: evidence from the 2010 China Family Panel Studies

Table 4 Ordinal logistic regression for the association between cognitive ability test scores and covariates in children aged 10–15 years obtained from the 2010 CFPS

Variables	Mathematics			Vocabulary
Variables	OR	P value	95%CI	OR	P value	95%CI
‘High protein’ dietary patterns	1.28	< 0.001	(1.21; 1.35)	1.25	< 0.001	(1.18; 1.32)
‘High fat’ dietary pattern	0.96	0.287	(0.90; 1.03)	0.89	0.002	(0.83; 0.96)
‘High salt-oil’ dietary pattern	0.96	0.503	(0.90; 1.05)	0.91	0.012	(0.84; 0.98)
Gender
Girl			0			0
Boy	1.02	0.763	(0.88; 1.20)	0.70	< 0.001	(0.60; 0.82)
Age
10 ~ 15	2.93	< 0.001	(2.73; 3.13)	1.73	< 0.001	(1.64; 1.82)
Nationality
Minority nationality			0			0
Han nationality	2.23	< 0.001	(1.74;2.86)	2.97	< 0.001	(2.31; 3.83)
Household registration
Countryside			0			0
Urban	1.65	< 0.001	(1.40;1.93)	1.77	< 0.001	(1.51; 2.08)
School
Common school			0			0
Key school	2.68	< 0.001	(1.82; 3.94)	4.08	< 0.001	(2.66; 6.27)
Family learning environment
Bad			0			0
Neutrality	1.56	0.002	(1.18; 2.07)	1.46	0.007	(1.11; 1.93)
Good	2.26	< 0.001	(1.71; 2.99)	2.38	< 0.001	(1.81; 3.14)
Father education level
Low			0			0
Medium	1.62	< 0.001	(1.38; 1.91)	1.79	< 0.001	(1.52; 2.10)
High	2.56	< 0.001	(1.81; 3.60)	3.72	< 0.001	(2.60; 5.31)
Mother education level
Low			0			0
Medium	1.71	< 0.001	(1.45; 2.02)	2.00	< 0.001	(1.69; 2.37)
High	2.35	< 0.001	(1.59; 3.47)	4.11	< 0.001	(2.73; 6.16)
Annual household income (per person)
< 3500RMB			0			0
3500 7000 RMB	1.46	< 0.001	(1.20; 1.76)	1.41	< 0.001	(1.16; 1.70)
> 7000 RMB	1.46	< 0.001	(1.71; 2.53)	2.09	< 0.001	(1.72; 2.54)
Family size
7 14			0			0
3 6	1.97	< 0.001	(1.52; 2.55)	1.98	< 0.001	(1.53; 2.56)

ISSN: 1471-2458