Title focus	Coding scheme
Does the news title focus on illness/dementia?	No (0)	Yes (1)
Does the news title focus on person (diagnosed/caregiver)?	No (0)	Yes (1)
Principal content
Does the news content deal with care issues?	No (0)	Yes (1)
(Care refers to: Formal care, Informal care, Social Care, Self-care)
Does the news content deal with information issues?	No (0)	Yes (1)
(Information refers to: Attitudes, Awareness, Financial, Policy)
Does the news content deal with risk factor issues?	No (0)	Yes (1)
(Risk factor refers to: Modifiable risks, Non-modifiable risks)
Does the news content deal with sign issues?	No (0)	Yes (1)
(Sign refers to: Early stage, Late stage)
Does the news content deal with treatment issues?	No (0)	Yes (1)
(Treatment refers to: Biomedical, Technological)
News story category
Does the story deal with burden issues?	No (0)	Yes (1)
Does the story deal with knowledge issues?	No (0)	Yes (1)
Does the story deal with prevalence issues?	No (0)	Yes (1)
Does the story deal with prevention issues?	No (0)	Yes (1)
Overall tone
Does the news indicate negative issues?	No (0)	Yes (1)
Does the news indicate positive issues?	No (0)	Yes (1)
Does the news indicate neutral issues?	No (0)	Yes (1)
Does the news indicate mixed issues?	No (0)	Yes (1)