Light at Night and Prostate Cancer in the Health Professionals Follow-Up Study

Request Access

Anthropometry (3)

bmi - Body Mass Index (kg/m2) (phv00537071.v1.p1)
bmi2186 - Quetelets index at age 21 (Assessed on 1986 questionnaire) (phv00537108.v1.p1)
height - Height in inches, continuous (phv00537149.v1.p1)

Demographics (10)

age - Age in months (phv00537067.v1.p1)
age86 - Age in 1986 (return date 86-dbmy86)/12) (phv00537106.v1.p1)
ageyr - Age in years (not rounded) (phv00537069.v1.p1)
ageyrs - Age in years rounded down (phv00537068.v1.p1)
ageyrsa00 - Age in 2000 (rounded down to nearest whole number) (phv00537131.v1.p1)
ageyrsa04 - Age in 2004 (rounded down to nearest whole number) (phv00537137.v1.p1)
ageyrsa08 - Age in 2008 (rounded down to nearest whole number) (phv00537144.v1.p1)
ageyrsa86 - Age in 1986 (rounded down to nearest whole number) (phv00537111.v1.p1)
ageyrsa88 - Age in 1988 (rounded down to nearest whole number) (phv00537119.v1.p1)
SEX - Biological sex (phv00537028.v1.p1)

Disease Events (21)

agg - Aggressive prostate cancer subtype: T4 or N1 or M1 or Gleason 8-10 (phv00537152.v1.p1)
cafh - Family history of cancer (phv00537159.v1.p1)
dtdth - Date of death from any cause (phv00537154.v1.p1)
dxdate - Date diagnosed with prostate cancer (phv00537153.v1.p1)
npsa86 - Ever reported PSA screening in 1986 (phv00537109.v1.p1)
npsa94 - Report PSA screening between 1993-1994 (phv00537124.v1.p1)
pca_advdx - Prostate cancer case, advanced at diagnosis (T3b,T4,N1,M1) (phv00537053.v1.p1)
pca_advfu - Prostate cancer case, advanced over follow up (T3b,T4,N1,M1, metastases or prostate cancer death) (phv00537055.v1.p1)
pca_agg - Aggressive prostate cancer case (T4 or N1 or M1 or Gleason 8-10) (phv00537061.v1.p1)
pca_all - Prostate cancer case (phv00537049.v1.p1)
pca_fatal - Fatal prostate cancer case (prostate cancer death) (phv00537059.v1.p1)
pca_higrd - High-grade prostate cancer case (Gleason 4+3 and higher) (phv00537065.v1.p1)
pca_lethal - Lethal prostate cancer case (metastases or prostate cancer death) (phv00537057.v1.p1)
pca_local - Localized prostate cancer case (T1, T2, T3a, N0/M0) (phv00537051.v1.p1)
pca_lowgrd - Low-grade prostate cancer case (Gleason 3+4 and lower) (phv00537063.v1.p1)
profh - Family history of prostate cancer (phv00537160.v1.p1)
profh1 - Family history of prostate cancer (phv00537163.v1.p1)
profh90 - Family history of prostate cancer in 1990 (phv00537121.v1.p1)
psahistory - History of PSA screening (phv00537162.v1.p1)
psaint86 - PSA screening intensity (50% or more) 1986 (phv00537110.v1.p1)
totalinc - Incident PCa, excludes T1a (phv00537151.v1.p1)

Exercise (1)

act - Physcial activity in METs/week (metabolic equivalent tasks) (phv00537075.v1.p1)

Race and Ethnicity (2)

race - Race (phv00537167.v1.p1)
white - White race (phv00537102.v1.p1)

Substance Use (5)

ever_smk - Indicator for history of ever smoking (phv00537161.v1.p1)
smkstatus - Smoking Status in current period (phv00537074.v1.p1)
smkstatus2 - Former smoker (phv00537085.v1.p1)
smkstatus3 - Current smoker (phv00537086.v1.p1)
smkstatus86 - Smoking Status at baseline in 1986 (phv00537113.v1.p1)

Other (100)

act_q - Physical activity quintile (phv00537096.v1.p1)
act_q1 - Second quintile of physical activity indicator (phv00537097.v1.p1)
act_q2 - Third quintile of physical activity indicator (phv00537098.v1.p1)
act_q3 - Fourth quintile of physical activity indicator (phv00537099.v1.p1)
act_q4 - Fifth quintile of physical activity indicator (phv00537100.v1.p1)
act86 - Total Activity in 1986 (phv00537105.v1.p1)
addr08 - Address questionnaire was sent (L35) in 2008 (phv00537140.v1.p1)
addr88 - Address questionnaire was sent (L50) in 1988 (phv00537115.v1.p1)
addrbin - Address questionnaire sent to in 1988 (Home/Both or Work) (phv00537155.v1.p1)
addrbl - Type of address questionnaire was sent to in 1988 (derived from addr88) (phv00537157.v1.p1)
agegrp - Age group category (phv00537070.v1.p1)
bmi4cat - Body Mass Index (kg/m2) category (4 categories) (phv00537072.v1.p1)
bmi4cat1 - Normal Body Mass Index (kg/m2) indicator (phv00537081.v1.p1)
bmi4cat2 - Overweight Body Mass Index (kg/m2) indicator (phv00537082.v1.p1)
bmi4cat3 - Obese Body Mass Index (kg/m2) indicator (phv00537083.v1.p1)
bmibin - Body Mass Index (kg/m2) category (2 categories) (phv00537073.v1.p1)
bmibin1 - Overweight/Obese Body Mass Index (kg/m2) indicator (phv00537084.v1.p1)
bmicat86 - BMI in 1986 in four categories (phv00537103.v1.p1)
bmicata86 - BMI in 1986 in three categories (phv00537104.v1.p1)
clan - Cumulative light at night in current period (phv00537079.v1.p1)
cohort - Cohort (phv00537158.v1.p1)
CONSENT - Consent group as determined by DAC (phv00537027.v1.p1)
CUMLAN86 - Cumulative Light at Night in 1986 (phv00537114.v1.p1)
dbmy86 - Date of birth in month-years since 1900 (phv00537107.v1.p1)
div - Census division (2010 Census) (phv00537094.v1.p1)
htcat - Height in 4 categories (phv00537150.v1.p1)
htcat2 - Height 68-70in (phv00537164.v1.p1)
htcat3 - Height 70-72in (phv00537165.v1.p1)
htcat4 - Height greater than 72in (phv00537166.v1.p1)
irt00 - Default questionnaire return date in 2000 (two year lag) (phv00537132.v1.p1)
irt02 - Default questionnaire return date in 2002 (two year lag) (phv00537133.v1.p1)
irt04 - Default questionnaire return date in 2004 (two year lag) (phv00537138.v1.p1)
irt06 - Default questionnaire return date in 2006 (two year lag) (phv00537139.v1.p1)
irt08 - Default questionnaire return date in 2008 (two year lag) (phv00537145.v1.p1)
irt10 - Default questionnaire return date in 2010 (two year lag) (phv00537146.v1.p1)
irt12 - Default questionnaire return date in 2012 (two year lag) (phv00537147.v1.p1)
irt14 - Default questionnaire return date in 2014 (two year lag) (phv00537148.v1.p1)
irt86 - Default questionnaire return date in 1986 (two year lag) (phv00537112.v1.p1)
irt88 - Default questionnaire return date in 1988 (two year lag) (phv00537120.v1.p1)
irt90 - Default questionnaire return date in 1990 (two year lag) (phv00537122.v1.p1)
irt92 - Default questionnaire return date in 1992 (two year lag) (phv00537123.v1.p1)
irt94 - Default questionnaire return date in 1994 (two year lag) (phv00537125.v1.p1)
irt96 - Default questionnaire return date in 1996 (two year lag) (phv00537126.v1.p1)
irt98 - Default questionnaire return date in 1998 (two year lag) (phv00537127.v1.p1)
lagpsaint - PSA screening intensity, lagged one questionnaire period (phv00537077.v1.p1)
lagpsaint1 - High PSA-screening intensity indicator (greater than or equal to 50% of past screening periods), lagged by one questionnaire period (phv00537088.v1.p1)
lagpsat - PSA history, lagged one questionnaire period (phv00537076.v1.p1)
lagpsat1 - No PSA test in previous questionnaire period (phv00537087.v1.p1)
lan - Light at night value in current period (phv00537078.v1.p1)
LAN00 - Light at night in 2000 (phv00537128.v1.p1)
LAN04 - Light at night in 2004 (phv00537134.v1.p1)
LAN08 - Light at night in 2008 (phv00537141.v1.p1)
LAN88 - Light at night in 1988 (phv00537116.v1.p1)
medqnSES - Median nSES of quintile (phv00537092.v1.p1)
moved - Moved more than 1000 meters across all questionnaire cycles (1988-2012) (phv00537156.v1.p1)
nSES - Neighborhood Socioeconomic Score (phv00537090.v1.p1)
nSES00 - Z-scaled neighborhood socioeconomic status summary score in 1989 (phv00537130.v1.p1)
nSES04 - Z-scaled neighborhood socioeconomic status summary score in 1990 (phv00537136.v1.p1)
nSES08 - Z-scaled neighborhood socioeconomic status summary score in 1991 (phv00537143.v1.p1)
nSES88 - Z-scaled neighborhood socioeconomic status summary score in 1988 (phv00537118.v1.p1)
period - Current time period (questionnaire cycle) (phv00537048.v1.p1)
popd - Population density (phv00537093.v1.p1)
popd00_00 - Population density num per sq km (2000 Census), 2000 (phv00537129.v1.p1)
popd00_04 - Population density num per sq km (2000 Census), 2004 (phv00537135.v1.p1)
popd00_08 - Population density num per sq km (2000 Census), 2008 (phv00537142.v1.p1)
popd90_88 - Population density num per sq km (1990 Census), 1988 (phv00537117.v1.p1)
psayes041 - PSA screening in 2004 (phv00537080.v1.p1)
qnSES - Quintile of neighborhood socioeconomic score (phv00537091.v1.p1)
region - Census region (2010 Census) (phv00537095.v1.p1)
SOURCE_SUBJECT_ID - Subject unique dbGaP ID (phv00537030.v1.p1)
SUBJECT_ID - Subject ID (phv00537031.v1.p1)
SUBJECT_ID - Subject ID (phv00537101.v1.p1)
SUBJECT_ID - Subject ID (phv00537026.v1.p1)
SUBJECT_ID_AND_EVENT - Subject ID plus time period (phv00537032.v1.p1)
SUBJECT_SOURCE - DbGaP subject ID source (phv00537029.v1.p1)
t_advdx - Time in months for current period, advanced prostate cancer at diagnosis outcome (phv00537054.v1.p1)
t_advfu - Time in months for current period, advanced prostate cancer over follow up outcome (phv00537056.v1.p1)
t_agg - Time in months for current period, aggressive prostate cancer outcome (phv00537062.v1.p1)
t_all - Time in months for current period, all prostate cancer outcome (phv00537050.v1.p1)
t_fatal - Time in months for current period, fatal prostate cancer outcome (phv00537060.v1.p1)
t_higrd - Time in months for current period, low-grade prostate cancer outcome (phv00537066.v1.p1)
t_lethal - Time in months for current period, lethal prostate cancer outcome (phv00537058.v1.p1)
t_local - Time in months for current period, local prostate cancer outcome (phv00537052.v1.p1)
t_lowgrd - Time in months for current period, low-grade prostate cancer outcome (phv00537064.v1.p1)
t00 - Time period indicator for 2000 cycle (phv00537040.v1.p1)
t02 - Time period indicator for 2002 cycle (phv00537041.v1.p1)
t04 - Time period indicator for 2004 cycle (phv00537042.v1.p1)
t06 - Time period indicator for 2006 cycle (phv00537043.v1.p1)
t08 - Time period indicator for 2008 cycle (phv00537044.v1.p1)
t10 - Time period indicator for 2010 cycle (phv00537045.v1.p1)
t12 - Time period indicator for 2012 cycle (phv00537046.v1.p1)
t14 - Time period indicator for 2014 cycle (phv00537047.v1.p1)
t86 - Time period indicator for 1986 cycle (phv00537033.v1.p1)
t88 - Time period indicator for 1988 cycle (phv00537034.v1.p1)
t90 - Time period indicator for 1990 cycle (phv00537035.v1.p1)
t92 - Time period indicator for 1992 cycle (phv00537036.v1.p1)
t94 - Time period indicator for 1994 cycle (phv00537037.v1.p1)
t96 - Time period indicator for 1996 cycle (phv00537038.v1.p1)
t98 - Time period indicator for 1998 cycle (phv00537039.v1.p1)
time - Follow up time during current period (phv00537089.v1.p1)