Table 3.

Characteristics of low and high CRP groups for fatty acid intakes

	Low CRP (n 453)		High CRP (n 364)		P-value*
	Mean/n	95 % CI/%	Mean/n	95 % CI/%
Sex (female), n	266	58⋅72	165	45⋅33	<0⋅001
Age, years	62⋅71	61⋅72, 63⋅70	65⋅06	64⋅05, 66⋅06	0⋅001
Lack of exercise, n	352	77⋅70	296	81⋅32	0⋅202
Lack of sleep, n	318	70⋅20	278	76⋅37	0⋅047
Current smoker, n	68	15⋅01	80	21⋅98	0⋅012
Current drinker, n	210	46⋅36	174	47⋅80	0⋅681
BMI, kg/m2	22⋅51	22⋅24, 22⋅77	24⋅21	23⋅87, 24⋅56	<0⋅001
Diabetes treatment, n	39	8⋅61	26	7⋅14	0⋅442
Dyslipidemia treatment, n	46	10⋅15	40	10⋅99	0⋅700
Neck/shoulder/upper limb pain, n	19	4⋅19	16	4⋅40	0⋅888
CRP, mg/dl	0⋅03	0⋅03, 0⋅03	0⋅27	0⋅19, 0⋅35	<0⋅001
SFA, % energy	6⋅48	6⋅31, 6⋅65	6⋅31	6⋅10, 6⋅52	0⋅207
MUFA, % energy	8⋅75	8⋅53, 8⋅97	8⋅44	8⋅20, 8⋅68	0⋅064
PUFA, % energy	6⋅15	6⋅00, 6⋅29	5⋅98	5⋅82, 6⋅13	0⋅113
n-3 fatty acids, % energy	1⋅34	1⋅30, 1⋅38	1⋅33	1⋅28, 1⋅37	0⋅719
n-6 fatty acids, % energy	4⋅79	4⋅67, 4⋅90	4⋅63	4⋅50, 4⋅75	0⋅066
C18:1(M), mg/1000 kcal	8660⋅12	8437⋅88, 8882⋅36	8329⋅08	8080⋅96, 8577⋅19	0⋅052
C18:2(n6)(P(n-6)), mg/1000 kcal	5159⋅31	5033⋅43, 5285⋅19	4982⋅19	4845⋅31, 5119⋅07	0⋅063
C18:3(n3)(P(n-3)), mg/1000 kcal	832⋅46	808⋅68, 856⋅24	799⋅71	775⋅01, 824⋅40	0⋅064
C20:2(n6)(P(n-6)), mg/1000 kcal	24⋅18	23⋅40, 24⋅95	23⋅38	22⋅49, 24⋅26	0⋅182

Abbreviations: CI, confidence interval; BMI, body mass index; CRP, C-reactive protein; SFA, saturated fatty acid; MUFA, monounsaturated fatty acid; PUFA, polyunsaturated fatty acid.

^*P-values were calculated using the Student's t test and χ² test for continuous and categorical variables, respectively (P-values < 0⋅05 are highlighted in bold).