The phrase "asked about the occurrence" is correct and usable in written English.
You can use it when inquiring or seeking information regarding a specific event or incident.
Example: "During the meeting, she asked about the occurrence of the recent data breach."
Alternatives: "inquired about the incident" or "questioned the event".
The questionnaire asked about: the occurrence of chlamydia cases reported in participating countries; national data on the existence and content of guidelines on the management of chlamydia; details of programmes for surveillance and how data was collected; chlamydia care provision across the health service; and primary health care provision.
Although we asked about the occurrence of visual symptoms before the headache, since it was difficult to determine whether such symptoms were truly indicative of focal cerebral dysfunction as defined by the ICHD-II, in our study both migraine without aura and migraine with aura were classified simply as migraine.
Because field workers asked about the occurrence of these signs since the last visit, rather than by day, the outcome was defined as prevalent weeks.
Respondents were asked about the occurrence of influenza-like illness (ILI, fever with either cough or sore throat) for each household member from May 1 27 (survey 1) or the preceding 30 days (survey 2).
The Danish subjects were not asked about the occurrence of maternal smoking.
Respondents were asked about the occurrence and frequency of sexual intercourse and condom use.
Between June and November 1995, researchers began studying 7,585 children vaccinated between the ages of 1 and 2. They interviewed their parents every six months, asking about the occurrence of both chickenpox and shingles, the painful rash that can occur after recovery from chickenpox.
From now on, and in keeping with the philosophical discussion on dreaming, I will use the term "conscious experience" as an umbrella term for asking about the occurrence of sensations, thoughts, impressions, emotions etc. in dreams (cf. Dennett 1976).
Item 31 in Feelings, asking about the occurrence of crying spells, also had DIF with respect to sex.
We also wrote to the general practitioner of every survivor who had not died to specifically ask about the occurrence of any SC.
For example, stress could be measured by asking about the occurrence of different situations and events that might lead to stress, such as job loss, death in a family, divorce etc.
