PMC:7780429 / 16284-16933 JSON TXT

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Id	Subject	Object	Predicate	Lexical cue	hp_id
T80	84-92	Phenotype	denotes	headache	http://purl.obolibrary.org/obo/HP_0002315
T81	219-226	Phenotype	denotes	anxiety	http://purl.obolibrary.org/obo/HP_0000739
T82	230-236	Phenotype	denotes	asthma	http://purl.obolibrary.org/obo/HP_0002099
T83	356-364	Phenotype	denotes	headache	http://purl.obolibrary.org/obo/HP_0002315
T84	443-451	Phenotype	denotes	headache	http://purl.obolibrary.org/obo/HP_0002315

Id	Subject	Object	Predicate	Lexical cue	tao:has_database_id
237	98-101	Gene	denotes	age	Gene:5973
238	190-197	Species	denotes	tobacco	Tax:4097
239	84-92	Disease	denotes	headache	MESH:D006261
240	219-226	Disease	denotes	anxiety	MESH:D001007
241	230-236	Disease	denotes	asthma	MESH:D001249
242	356-364	Disease	denotes	headache	MESH:D006261
243	443-451	Disease	denotes	headache	MESH:D006261

Id	Subject	Object	Predicate	Lexical cue
T159	0-237	Sentence	denotes	In the univariate analysis, the factors associated with the appearance of ‘de novo’ headache were age, female sex, type of profession, use of filter mask (KN95 or FFP2), work shift, being a tobacco user, suffering from anxiety or asthma.
T160	238-424	Sentence	denotes	In the multivariate analysis, the use of filter masks and the type of profession behaved as independent predictors of headache risk, while being asthmatic behaved as a protective factor.
T161	425-649	Sentence	denotes	The occurrence of headache is associated with the use of a filter mask (FFP2 or KN95), OR 2.14 (95% CI 1.07 to 4.32); being a health worker, OR 6.94 (95% CI 3.01 to 16.04) or a nurse, OR 2.09 (95% CI 1.18 to 3.72) (table 3).