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        <title>Lifelines Wiki</title>
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        <title>lifelines_diet_score - [Lifelines Diet Score] </title>
        <link>http://wiki-lifelines.web.rug.nl/doku.php?id=lifelines_diet_score&amp;rev=1786020092&amp;do=diff</link>
        <description>Lifelines Diet Score

The Lifelines Diet Score is a diet score derived from the completed FFQ-heart filled in by ~130.000 adult Lifelines participants at the baseline assessment (1A Questionnaire 2) (section: Nutrition (Diet scores) and secondary &amp; linked variables).

The LLDS was developed by the UMCG department of epidemiology and is a fully food-based and evidence-based tool to assess relative diet quality. Its highest scores represent diets expected to be most beneficial in light of the prev…</description>
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        <title>sleep_quality_psqi - [Table] </title>
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        <description>Sleep quality (PSQI)

The Pittsburgh Sleep Quality Index was used to assess sleep quality of adult Lifelines participants (section: Lifestyle &amp; environment).

Note that the first 3 variables from the official PSQI were omitted here, because the same information could be derived from the Munich Chronotype Questionnnaire (</description>
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        <title>shiftwork - [Table] </title>
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        <description>Shiftwork

The following variables on nighttime screen use (section: lifestyle &amp; environment) were collected in the context of an additional questionnaire on Shiftwork and Screen use (SHIQ).

1 item was assessed in an additional questionnaire on menopause and work (MAWQ).
 Questions English</description>
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        <title>nighttime_screen_use - [Table] </title>
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        <description>Nighttime Screen Use

The following variables on nighttime screen use (section: lifestyle &amp; environment) were collected in the context of an additional questionnaire on Shiftwork and Screen use (SHIQ).

Of note, the subsection nighttime screen use also includes variables of the additional questionnaire on blue light, which was sent to underage participants and of which the variables can be found on the page</description>
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        <dc:date>2026-08-05T10:20:26+00:00</dc:date>
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        <title>neighbourhood_ple - [Table] </title>
        <link>http://wiki-lifelines.web.rug.nl/doku.php?id=neighbourhood_ple&amp;rev=1785925226&amp;do=diff</link>
        <description>Neighbourhood (PLE)

The Perceived Living Environment instrument (PLE) aims to quantify how people perceive (the quality of) the neighbourhood they live in (section: Lifestyle &amp; environment). The instrument comprises of 9 items investigating characteristics of the living environment as perceived by the respondent. The instrument “Perceived living environment” is a compilation of questions used in the “GGD gezondheidsenquete 2010” and “</description>
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        <dc:date>2026-08-05T10:11:39+00:00</dc:date>
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        <title>lifestyle_covid-19 - [Table] </title>
        <link>http://wiki-lifelines.web.rug.nl/doku.php?id=lifestyle_covid-19&amp;rev=1785924699&amp;do=diff</link>
        <description>Lifestyle (Covid-19)

Lifelines assessed the changes in regular lifestyle, and corona-specific additions to lifestyle, in adult participants during the 2020 corona crisis, in the context of a series of additional questionnaires: COVQ (section: lifestyle &amp; environment).

This subsection also includes questions about the CoronaMelder app issued by the Dutch government to monitor infection patterns.</description>
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        <dc:date>2026-08-04T09:29:22+00:00</dc:date>
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        <title>activelife - [Inclusion criteria] </title>
        <link>http://wiki-lifelines.web.rug.nl/doku.php?id=activelife&amp;rev=1785835762&amp;do=diff</link>
        <description>ActiveLIFE (ACLI)

ActiveLIFE is one of Lifelines&#039; additional assessments were physical activity of the participants is monitored by an accelerometer. This assessment is a collaboration between Lifelines and the Radboud university medical center, department of Medical BioSciences. This research is funded by the Dutch Heart Foundation and Brain Foundation Netherlands, and the Dutch Ministry of Health, Welfare and Sport.</description>
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        <dc:date>2026-08-03T14:56:18+00:00</dc:date>
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        <title>infq - [Table] </title>
        <link>http://wiki-lifelines.web.rug.nl/doku.php?id=infq&amp;rev=1785768978&amp;do=diff</link>
        <description>Informal Care (INFQ)

Informal Care is the name of an additional questionnaire for caregivers. The questionnaire was implemented in Lifelines at the initiative of the UMCG Department of Epidemiology.

The questionnaire covers a broad range of subjects:

	*  General information on caregiving situation
	*</description>
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        <title>home_environment_general - [Table] </title>
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        <description>Home environment (general)

Participants were asked several questions regarding the environment at home (section: lifestyle &amp; environment).


Variables

General questions
 Label English</description>
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        <dc:date>2026-08-03T14:46:13+00:00</dc:date>
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        <title>hobbies_activities - [Table] </title>
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        <description>Hobbies &amp; activities

Lifelines participants were asked several questions regarding their hobbies and activities (section: lifestyle &amp; environment). Note that sports were assessed separately here.

Underage participants were asked several questions on their hobbies and activities as well.

A subcohort of adult participants answered some more detailed questions on daily activities in an</description>
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        <dc:date>2026-08-03T14:45:33+00:00</dc:date>
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        <title>earthquakes - [Table] </title>
        <link>http://wiki-lifelines.web.rug.nl/doku.php?id=earthquakes&amp;rev=1785768333&amp;do=diff</link>
        <description>Earthquakes &amp; gas extraction

Lifelines participants were asked several questions about their experiences with earthquakes related to gas-drilling in Groningen (section: lifestyle &amp; environment).
Most of these questions were asked in the context of an additional questionnaire, EARQ.
 Label English</description>
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        <dc:date>2026-08-03T14:44:42+00:00</dc:date>
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        <title>drug_use - [Table] </title>
        <link>http://wiki-lifelines.web.rug.nl/doku.php?id=drug_use&amp;rev=1785768282&amp;do=diff</link>
        <description>Drug use

Adult participants were asked about their (recreational) use of soft- and hard drugs  (section: lifestyle &amp; environment).

For information regarding the use of prescription drugs, see here.

For information regarding the use of alcohol, see here.
 Questions in English</description>
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        <dc:date>2026-08-03T14:43:40+00:00</dc:date>
        <dc:creator>marthe (marthe@undisclosed.example.com)</dc:creator>
        <title>chronotype_mctq - [Table] </title>
        <link>http://wiki-lifelines.web.rug.nl/doku.php?id=chronotype_mctq&amp;rev=1785768220&amp;do=diff</link>
        <description>Chronotype (MCTQ)

The Munich ChronoType Questionnaire is an instrument to assess a person&#039;s chronotype (section: lifestyle &amp; environment).

It was also assessed in underage Lifelines participants, see Chronotype (CCTQ). Some sum scores for the MCTQ are available.

Information derived from the MCTQ can be used to replace the first three items from the Pittsburgh Sleep Quality Index.

Note that an additional questionnaire on</description>
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        <dc:date>2026-08-03T14:42:34+00:00</dc:date>
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        <title>alcohol_use - [Table] </title>
        <link>http://wiki-lifelines.web.rug.nl/doku.php?id=alcohol_use&amp;rev=1785768154&amp;do=diff</link>
        <description>Alcohol use

Quantitative assessment of alcohol intake was performed in adult participants using the Food Frequency Questionnaire.

Drinking behavior was assessed using the Eating behavior questionnaire in follow-up questionnaire 2B. Furthermore, lifetime alcoholism was assessed using the DSM-5 criteria. 
Lifelines also assessed</description>
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        <title>family_deaths - [Table] </title>
        <link>http://wiki-lifelines.web.rug.nl/doku.php?id=family_deaths&amp;rev=1785768032&amp;do=diff</link>
        <description>Family deaths

The following questions were asked regarding the time and cause of death of Lifelines participants&#039; family members (section: Demographics).

Lifelines also assessed the birth of family members, including partners.

 Questions English</description>
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        <link>http://wiki-lifelines.web.rug.nl/doku.php?id=4a_visit_2&amp;rev=1785750809&amp;do=diff</link>
        <description>Visit 2 of General Assessment 4A

Lifelines participants participating in general assessment 4A visit a location of their choice for a second time.

At the location, they undergo the following procedures:

	*  Fasting venapuncture to collect blood samples for blood analyses and storage (8+ years old).</description>
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        <title>income - [Table] </title>
        <link>http://wiki-lifelines.web.rug.nl/doku.php?id=income&amp;rev=1785747965&amp;do=diff</link>
        <description>Income

Adult Lifelines participants were asked about their financial income (section: Demographics):
 Questions English</description>
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